Test Bank for Conceptual Physics, 12th Edition

Preview (31 of 581 Pages)

100%

Test Bank for Conceptual Physics, 12th Edition - Page 1 preview image

Loading page ...

1Conceptual Physics, 12e(Hewitt)Chapter 1 About Science1.1 Multiple-Choice Questions1) Science is a body of knowledge thatA) describes order in nature.B) is an ongoing human activity.C) condenses knowledge into testable laws.D) all of the aboveE) none of the aboveAnswer: DDiff: 1Topic: Scientific Measurements2) To a fair approximation, Early Greeks knew theA) size of Earth.B) size of the Moon.C) Earth-Moon distance.D) all of the aboveAnswer: DDiff: 1Topic: Scientific Measurements3) When the Sun shines on the Moon, the Moon casts a shadowA) at all times.B) that is tapered.C) that sometimes falls on Earth.D) all of the aboveAnswer: DDiff: 1Topic: Scientific Measurements4) Eratosthenes first learned about the position of the Sun in mid-summer byA) consulting library information.B) setting up a stick at Syene.C) setting up a stick at Alexandria.D) setting up sticks at both Syene and Alexandria.E) none of the aboveAnswer: ADiff: 2Topic: Scientific Measurements

Test Bank for Conceptual Physics, 12th Edition - Page 2 preview image

Loading page ...

Test Bank for Conceptual Physics, 12th Edition - Page 3 preview image

Loading page ...

25) Eratosthenes' measurements of Earth's size involvedA) a deep well in Syene.B) a pillar's shadow in Alexandria.C) surveying the distance between Alexandria and Syene.D) all of the aboveAnswer: DDiff: 2Topic: Scientific Measurements6) When we see a half Moon in the sky, the lines between Earth, Moon, and SunA) are equal in length.B) are parallel to one another.C) form a right triangle.D) all of the aboveAnswer: CDiff: 2Topic: Scientific Measurements7) Spots of sunlight on the ground cast through openings between leaves in trees above areactuallyA) images of the Sun.B) part of a solar eclipse.C) due to refraction of sunlight.D) all of the aboveAnswer: ADiff: 1Topic: Scientific Measurements8) A simple method of measuring the distance between the Earth and the Moon is to place inyour line of sight to the Moon aA) magnifying glass.B) coin.C) telescope.D) meterstick.Answer: BDiff: 2Topic: Scientific Measurements9) The safest way to view an image of the Sun is to useA) a telescope.B) binoculars.C) a pinhole.D) colored sunglasses.Answer: CDiff: 2Topic: Scientific Measurements

Test Bank for Conceptual Physics, 12th Edition - Page 4 preview image

Loading page ...

310) The scientific method is most effective inA) making hypotheses.B) gaining, organizing, and applying new knowledge.C) discovering new things.D) making theories.E) performing experiments.Answer: BDiff: 1Topic: Scientific Methods11) An educated scientific guess is aA) hypothesis.B) theory.C) either of theseD) neither of theseAnswer: ADiff: 1Topic: Scientific Methods12) Facts in the field of scienceA) are absolute.B) are changeable.C) mean very little.D) are more important than theories.Answer: BDiff: 1Topic: Scientific Methods13) The synthesis of a large collection of information that contains well-tested and verifiedhypotheses about certain aspects of the world is known as a scientificA) fact.B) hypothesis.C) law or principle.D) theory.E) none of the aboveAnswer: DDiff: 1Topic: Scientific Methods14) A theory in the field of science isA) an educated guess.B) less than a fact.C) a synthesis of a large body of well-tested knowledge.D) unchangeable.Answer: CDiff: 1Topic: Scientific Methods

Test Bank for Conceptual Physics, 12th Edition - Page 5 preview image

Loading page ...

415) When a dishonest scientist reports false information, he or sheA) as in many other professions, will be excused by the scientific community.B) gets no second chance in the scientific community.C) is elevated in the scientific community.Answer: BDiff: 1Topic: Scientific Methods16) Which of the following is a scientific statement?A) candy Bon Bons contain no sugarB) there are things we will never know aboutC) matter is filled with undetectable particlesD) there are parts of the universe that will never be discovered by humansE) none of the aboveAnswer: ADiff: 1Topic: Scientific Methods17) For a scientific hypothesis to be valid, there must be a test for proving itA) right.B) wrong.C) conclusively one way or the other.Answer: BDiff: 1Topic: Scientific Methods18) The statement, "There are regions beneath Earth's crust that will always be beyond the reachof scientific investigation" isA) a fact.B) speculation.C) a hypothesis.D) a scientific statement.E) a theory.Answer: BDiff: 1Topic: Scientific Methods19) Pseudoscience is best characterized as beingA) new age.B) an alternate view to be taken seriously.C) fake.D) all of the aboveAnswer: CDiff: 1Topic: Scientific Methods

Test Bank for Conceptual Physics, 12th Edition - Page 6 preview image

Loading page ...

520) Science, art, and religion normally need not contradict one another becauseA) all three involve different domains.B) choosing the right one means no need to heed the other two.C) choosing religion and art means no need to heed science.D) choosing science means no need to heed religion and art.Answer: ADiff: 1Topic: Science, Art, and Religion21) A truly educated person is knowledgeable aboutA) science.B) the arts.C) religion.D) all of the aboveAnswer: DDiff: 1Topic: Science, Art, and Religion22) Science and technology areA) responsible for all the good in the world.B) responsible for all the bad in the world.C) actually one and the same.D) fundamentally different from each other.Answer: DDiff: 1Topic: Science and Technology23) Technology is a tool that canA) be socially beneficial.B) be socially harmful when abused.C) lead to a better world.D) all of the aboveAnswer: DDiff: 1Topic: Science and Technology24) The most basic of the sciences of physics, chemistry, and biology isA) physics.B) chemistry.C) biology.D) none of the aboveAnswer: ADiff: 1Topic: Physics-the Basic Science

Test Bank for Conceptual Physics, 12th Edition - Page 7 preview image

Loading page ...

625) Which of the following involves passion, talent, and intelligence?A) artB) literatureC) musicD) scienceE) all of the aboveAnswer: EDiff: 1Topic: Physics-the Basic Science

Test Bank for Conceptual Physics, 12th Edition - Page 8 preview image

Loading page ...

1Conceptual Physics, 12e(Hewitt)Chapter 2 Newton's First Law of Motion: Inertia2.1 Multiple-Choice Questions1) The earliest and most influential Greek philosopher was Aristotle, who among manycontributions taught thatA) the four elements are earth, water, air, and fire.B) all motion is either natural or violent.C) violent motion requires a sustained push or pull.D) all of the aboveAnswer: DDiff: 1Topic: Aristotle on Motion2) Science later greatly advanced when Galileo favoredA) philosophical discussions over experiment.B) experiment over philosophical discussions.C) nonmathematical thinking.D) none of the aboveAnswer: BDiff: 1Topic: Aristotle on Motion3) The first scientist to be credited for postulating that Earth circled theSun wasA) Aristotle.B) Copernicus.C) Galileo.D) Newton.Answer: BDiff: 1Topic: Aristotle on Motion4) The first scientist to introduce the concept of inertia wasA) Aristotle.B) Galileo.C) Newton.D) Copernicus.Answer: BDiff: 1Topic: Galileo's Experiments

Test Bank for Conceptual Physics, 12th Edition - Page 9 preview image

Loading page ...

25) Inertia is defined as aA) force.B) property of matter.C) change in motion.D) none of the aboveAnswer: BDiff: 1Topic: Galileo's Experiments6) Galileo's use of inclined planes allowed him to effectivelyA) slow down the ball'schanges in speed.B) reduce the time of the ball's changes in speed.C) eliminate all changes in speed.D) eliminate friction.Answer: ADiff: 1Topic: Galileo's Experiments7) Galileo's interpretation of motion differed from Aristotle's in that Galileo emphasizedA) the acceleration of free fall.B) rates of time.C) the role of distance in describing motion.D) none of the aboveAnswer: BDiff: 2Topic: Galileo's Experiments8) If no external forces act on a moving object, it willA) continue moving at the same speed.B) move slower and slower until it finally stops.C) come to an abrupt halt.D) none of the aboveAnswer: ADiff: 1Topic: Galileo's Experiments9) Galileo taught us that if you roll a ball along a level surface it willA) soon slowdown due to its natural place.B) keep rolling if friction is absent.C) roll as long as its inertia nudges it along.D) soon roll in the opposite direction.Answer: BDiff: 1Topic: Galileo's Experiments

Test Bank for Conceptual Physics, 12th Edition - Page 10 preview image

Loading page ...

310) A hockey puck sliding across the ice finally comes to rest becauseA) it seeks its proper and natural state.B) of friction.C) that's just the way it is.Answer: BDiff: 1Topic: Galileo's Experiments11) A hockey puck is set in motion across a frozen pond. If ice friction and air resistance areneglected, the force required to keep the puck sliding at constant velocity isA) equal to its weight.B) equal to its weight divided by its mass.C) equal to its mass times its weight.D) none of the aboveAnswer: DDiff: 1Topic: Newton's First Law12) The amount of force needed to sustain motion of a rock in outer space isA) a force equal to its weight.B) a force less than its weight if friction is absent.C) none of theseAnswer: CDiff: 1Topic: Newton's First Law13) When no forces act on moving objects their paths are normallyA) straight lines.B) circles.C) ellipses.D) all of the aboveAnswer: ADiff: 1Topic: Newton's First Law14) If gravity between the Sun and Earth suddenly vanished, Earth would continue moving inA) a curved path.B) an outward spiral path.C) an inward spiral path.D) a straight-line path.Answer: DDiff: 1Topic: Newton's First Law

Test Bank for Conceptual Physics, 12th Edition - Page 11 preview image

Loading page ...

415) Whirl a rock at the end of a string and it follows a circular path. If the string breaks, thetendency of the rock is toA)follow a circular path.B) slow down.C) follow a straight-line path.D) stop.Answer: CDiff: 1Topic: Newton's First Law16) Which concept is being illustrated when a tablecloth is quickly yanked beneath dishes restingon a table?A) equilibriumB) frictionC) support forceD) inertiaAnswer: DDiff: 1Topic: Newton's First Law17) When you flick a card from beneath a coin that hardly moves, you're illustratingA) inertia.B) equilibrium.C) support force.D) friction.Answer: ADiff: 1Topic: Newton's First Law18) A sheet of paper can be quickly jerked beneath a container of milk without toppling, whichbest demonstratesA) net force.B) the difference between force and mass.C) inertia.Answer: CDiff: 1Topic: Newton's First Law19) A roller-coaster ride with 6 passengers takes 3 minutes. Neglecting friction, a similar ridewith 12 passengers aboard would takeA) 1.5 minutes.B) 3 minutes.C) 6 minutes.D) 18 minutes.Answer: BDiff: 3Topic: Newton's First Law

Test Bank for Conceptual Physics, 12th Edition - Page 12 preview image

Loading page ...

520) A package falls off atruck that is moving at 30 m/s. Neglecting air resistance, the horizontalspeed of the package just before it hits the ground isA) zero.B) less than 30 m/s but more than zero.C) about 30 m/s.D) more than 30 m/s.Answer: CDiff: 2Topic: Newton's First Law21) If your automobile runs out of fuel while driving, the engine stops. You don't come to anabrupt stop due toA) inertia.B) gravity.C) resistance.D) the principle of continuation.Answer: ADiff: 2Topic: Newton's First Law22) When a rocketship gaining speed in outer space runs out of fuel, itA) gains speed for a short time, then slows down to a constant velocity.B) gains speed for a short time, slows down, and eventually stops.C) no longer gains speed.Answer: CDiff: 2Topic: Newton's First Law23) A moving van with a stone lightly glued to the midpoint of its ceiling smoothly moves atconstant velocity. When the glue gives way, the stone falls and hits the floorA) ahead of the midpoint of the ceiling.B) exactly below the midpointof the ceiling.C) behind the midpoint of the ceiling.D) none of the aboveAnswer: BDiff: 2Topic: Newton's First Law24) While you are standing in the aisle of a bus, the driver suddenly makes a left turn. You lurchto the right due toA) an unbalanced force.B) your tendency to keep moving forward.C) an equilibrium challenge.Answer: BDiff: 2Topic: Newton's First Law

Test Bank for Conceptual Physics, 12th Edition - Page 13 preview image

Loading page ...

625) Due to inertia, perhaps a railroad train in motion should continue moving indefinitely whenits engine is turned off. This is not observed because railroad trainsA) aren't massive enough.B) are too heavy.C) ride on straight tracks.D) encounter opposing forces.Answer: DDiff: 2Topic: Newton's First Law26) Tension is actually a force that tends toA) stretch something.B) compress something.C) break something.D) balance something.Answer: ADiff: 1Topic: Newton's First Law27) Nellie pulls with a force of 50 N on a horizontal rope tied to a tree at rest. The net force onthe rope isA) 50 N and rope tension is 0 N.B) 50 N and rope tension is also 50 N.C) zero and rope tension is 50 N.D) zero and rope tension is also zero.Answer: CDiff: 2Topic: Newton's First Law28) Two students engaged in a tug-of-war each pull a rope in opposite directions with a force of400 N. The net force on the rope isA) zero and rope tension is 400 N.B) zero and rope tension is 800 N.C) 400 N and rope tension is 800 N.D) 400 N and rope tension is also 400 N.Answer: ADiff: 2Topic: Newton's First Law

Test Bank for Conceptual Physics, 12th Edition - Page 14 preview image

Loading page ...

729) When you quickly jerka cart forward that has a ball resting in the middle, theA) front of the cart hits the ball.B) back of the cart hits the ball.C) neither, for the ball rides along in the middle as the cart moves forward.D) All of the above depending on how quickly thecart is pulled.Answer: BDiff: 2Topic: Newton's First Law30) A force is a vector quantity because it has bothA) magnitude and direction.B) mass and velocity.C) action and reaction counterparts.D) speed and direction.Answer: ADiff: 1Topic: Net Force and Vectors31) Which of the following is a vector quantity?A) areaB) volumeC) massD) none of the aboveAnswer: DDiff: 2Topic: Net Force and Vectors32) A block pulled to the left with 15 N and to the right with 5 N at the same time experiences anet force ofA) 5 N.B) 10 N.C) 15 N.D) 20 N.Answer: BDiff: 2Topic: Net Force and Vectors33) A tree stump is pulled northward by a 10-N force at the same time a 25-N force pulls itsouthward. The resultant force has a magnitude ofA) 0 N.B) 15 N.C) 25 N.D) 150 N.Answer: BDiff: 2Topic: Net Force and Vectors

Test Bank for Conceptual Physics, 12th Edition - Page 15 preview image

Loading page ...

834) When a pair of 10-N forces act on a box of candy, the net force on the box isA) zero.B) about 14 N.C) 20 N.D) Any of the above depending on the directions of forces.Answer: DDiff: 2Topic: Net Force and Vectors35) A pair of 10-N vectors at right angles to each other has a resultant of aboutA) 10 N.B) 14 N.C) 20 N.D) none of the aboveAnswer: BDiff: 2Topic: Net Force and Vectors36) The resultant of a 40-N force at right angles to a 30-N force isA) 30 N.B) 40 N.C) 50 N.D) greater than 50 N.Answer: CDiff: 2Topic: Net Force and Vectors37) When Nellie Newton hangs by the ends of a rope draped over a large pulley, the tension ineach supporting vertical strand isA) half her weight.B) equal to her weight.C) twice her weight.D) none of the aboveAnswer: ADiff: 2Topic: Net Force and Vectors38) If Nellie hangs from a horizontal bar that is supported by four vertical ropes, the tension inthe ropesA) are each half her weight.B) are each equal to her weight.C) add to equal her weight.D) none of the aboveAnswer: CDiff: 2Topic: Net Force and Vectors

Test Bank for Conceptual Physics, 12th Edition - Page 16 preview image

Loading page ...

939) A parallelogram is a four-sided figure with opposite sides that areA) equal.B) parallel.C) at right angles.D) none of the aboveAnswer: BDiff: 2Topic: Net Force and Vectors40) A pair of wires support a heavy painting. Tension in the wires is greater when they areA) vertical.B) not vertical.C) the same regardless of the wire orientation.D) none of the aboveAnswer: BDiff: 3Topic: Net Force and Vectors41) Suspend your body from a pair of vertical ropes and the tension in each rope will beA) half your weight.B) equal to your weight.C) greater than your weight.D) none of theaboveAnswer: ADiff: 2Topic: Net Force and Vectors42) Suspend your body from a pair of ropes slightly angled from the vertical and the tension ineach rope will beA) equal your weight.B) half your weight.C) greater than half your weight.D) none of theseAnswer: CDiff: 3Topic: Net Force and Vectors43) When Nellie Newton hangs at rest in the middle of a clothesline, tensions will be the same ineach side of the rope whenA) the lengths of each rope are the same.B) the angles for both sides ofthe rope are equal.C) she is in equilibrium.Answer: BDiff: 2Topic: Net Force and Vectors

Test Bank for Conceptual Physics, 12th Edition - Page 17 preview image

Loading page ...

1044) When Nellie Newton hangs at rest in the middle of a clothesline, the tension willnotbe thesame in each side of the rope whenA) the lengths of rope oneach side are different.B) the angles at each side of the rope are unequal.C) she is in equilibrium.D) none of the aboveAnswer: BDiff: 2Topic: Net Force and Vectors45) Monkey Mo hangs from the middle of a horizontal rope. Tension in the rope is greatest if theropeA) sags a lot.B) sags very little.C) sags or doesn't sag, for tension is the same in any case.D) none of the aboveAnswer: BDiff: 2Topic: Net Force and Vectors46) Nellie hangs from a pair of ropes at an angle. Tension in the ropes depends on theA) length of the ropes.B) angle of the ropes.C) both of theseD) neither of theseAnswer: BDiff: 2Topic: Net Force and Vectors47) The net force on any object in equilibrium isA) zero.B) equal to its weight.C) less than its weight.D) non-zero when motion is involved.Answer: ADiff: 1Topic: Equilibrium Rule48) The equilibrium rule, ΣF= 0, applies toA) objects or systems at rest.B) objects or systems in uniform motion in a straight line.C) both of theseD) neither of theseAnswer: CDiff: 2Topic: Equilibrium Rule

Test Bank for Conceptual Physics, 12th Edition - Page 18 preview image

Loading page ...

1149) The equilibrium rule applies toA)vector quantities.B) quantities that are equal in magnitude.C) scalar quantities.D) any kind of quantities.Answer: ADiff: 2Topic: Equilibrium Rule50) An object in mechanical equilibrium is an objectA) moving with constant velocity.B) having nochanges in velocity.C) at rest.D) all of the aboveAnswer: DDiff: 2Topic: Equilibrium Rule51) When Burl and Paul stand on opposite ends of a sign-painting scaffold, the tensions in thesupporting ropesA) are equal.B) depend on the relative weights of Burl and Paul.C) combine to equal zero.D) are in equilibrium.Answer: BDiff: 2Topic: Equilibrium Rule52) If Burl carries Paul piggy-back while standing in themiddleof a scaffold, the tensions in thetwo supporting ropes wouldA) cancel to zero.B) be equal.C) be in dynamic equilibrium.D) more easily support Burl and Paul.Answer: BDiff: 2Topic: Equilibrium Rule53) Burl and Paul paint signs together on a scaffold. Compared to their weights plus the weightof the scaffold, the sum of tensions in the supporting ropes isA) less.B) the same.C) greater.D) zero.Answer: BDiff: 1Topic: Equilibrium Rule

Test Bank for Conceptual Physics, 12th Edition - Page 19 preview image

Loading page ...

1254) Burl and Paul have a total weight of 1300 N. The tensions in the supporting ropes thatsupport their scaffold add to 1700 N. Theweight of the scaffold itself must beA) 300 N.B) 400 N.C) 500 N.D) 600 N.Answer: BDiff: 2Topic: Equilibrium Rule55) A hockey puck sliding at constant velocity across the ice isA) in equilibrium.B) nearly in equilibrium.C) is nowhere near being in equilibrium.D) none of the aboveAnswer: ADiff: 1Topic: Equilibrium Rule56) The net force acting on an insect falling downward at constant velocity isA) zero.B) the weight of the insect.C) upward air resistance.D) none of the aboveAnswer:ADiff: 1Topic: Equilibrium Rule57) The force of friction on a sliding object is 10 N. The applied force needed to maintain aconstant velocity isA) more than 10 N.B) less than 10 N.C) 10 N.Answer: CDiff: 1Topic: Equilibrium Rule58) The minimum number of forces that act on a book resting on a table isA) 1.B) 2.C) 3.D) 4.E) none of the aboveAnswer: BDiff: 1Topic: Support Force

Test Bank for Conceptual Physics, 12th Edition - Page 20 preview image

Loading page ...

1359) The support force on a 10-N book at rest on a table isA) slightly less than 10 N.B) 10 N.C) slightlygreater than 10 N.D) dependent on the position of the book.Answer: BDiff: 1Topic: Support Force60) Jason weighs 150 N and sits on his big brother's shoulders. Big brother weighs 400 N. Thesupport force supplied by the floor must beA) 150 N.B)400 N.C) 550 N.D) more than 550 N.Answer: CDiff: 2Topic: Support Force61) The support force on a 30-kg dog sleeping on the floor isA) less than 300 N.B) about 300 N.C) more than 300 N.D) nonexistent while asleep.Answer: BDiff: 2Topic: Support Force62) When you stand at rest on a pair of bathroom scales, the reading on each scaleA) is half your weight.B) equals your weight.C) add up to equal your weight.Answer: CDiff: 2Topic: Support Force63) Weigh yourself on a weighing scaleand the scale shows your normal weight. If you carefullystand on tiptoes, the scale reading will beA) slightly more.B) slightly less.C) about half as much.D) no different.Answer: DDiff: 2Topic: Support Force

Test Bank for Conceptual Physics, 12th Edition - Page 21 preview image

Loading page ...

1464) An 800-N man stands at rest on two bathroom scales so that his weight is distributed evenlyover both scales. The reading on each scale isA) 200 N.B) 400 N.C) 800 N.D) 1600 N.E) none of the aboveAnswer: BDiff: 2Topic: Support Force65) The force that causes Earth to orbit the Sun is due to gravity, while the force needed to keepEarth moving as it circles the Sun isA) inertia.B) due to gravity.C) due to both inertia and gravity.D) no force at all.Answer: DDiff: 2Topic: The Moving Earth66) If you toss a coin straight upward while in a train moving at constant velocity, the coin willlandA) as if you were at rest.B) in front of you.C) in back of you.Answer: ADiff: 2Topic: The Moving Earth67) If you toss a coin straight upward in train that gains speed while thecoin is in the air, thecoin will landA) as if you were at rest.B) in front of you.C) in back of you.Answer: CDiff: 2Topic: The Moving Earth68) If you toss a coin straight upward in train that slows while the coin is in the air, the coin willlandA) as if you were at rest.B) in front of you.C) in back of you.Answer: BDiff: 2Topic: The Moving Earth

Test Bank for Conceptual Physics, 12th Edition - Page 22 preview image

Loading page ...

1569) A gymnast performing somersaults in a high-flying plane moving at constant velocity needsto makeA) small adjustments to compensate for the airplane's velocity.B) major adjustments to compensate for the airplane's velocity.C) no adjustments.D) none of the aboveAnswer: CDiff: 2Topic: The Moving Earth70) Earth continually moves about 30 km/s through space, which means the wall you stand nextto also is moving at 30 km/s. When you jump vertically the wall doesn't slam into you becauseA) the speeds of you and Earth cancel out.B) you're moving horizontally just as fast as the wall.C) your upward motion is small compared with Earth's speed.D) motion of the Sun counteracts your motion.Answer: BDiff: 2Topic: The Moving Earth71) A bird sitting on the limb of a tree is moving about 30 km/s with respect to the Sun. If thebird takes 1 second to drop down to a worm below, the worm would be 30 km downrange fromthe bird when it reached the ground. This faulty reasoning is best countered with Newton'sA) law of inertia.B) law of gravity.C) laws of motion.D) none of the aboveAnswer: ADiff: 2Topic: The Moving Earth

Test Bank for Conceptual Physics, 12th Edition - Page 23 preview image

Loading page ...

1Conceptual Physics, 12e(Hewitt)Chapter 3 Linear Motion3.1 Multiple-Choice Questions1) A mosquito flying at 3 m/s that encounters a breeze blowing at 3 m/s in the same direction hasa speed ofA) 0 m/s.B) 3 m/s.C) 4 m/s.D) 6 m/s.Answer: DDiff: 1Topic: Motion is Relative2) A mosquito flying at 3 m/s that encounters a breeze blowing at 3 m/s in the opposite directionhas a speed ofA) 0 m/s.B) 3 m/s.C) 4 m/s.D) 6 m/s.Answer: ADiff: 1Topic: Motion is Relative3) Katelyn runs along the aisle of a train that moves at 8 m/s. Her speed relative to the floor is 3m/s. Her speed relative to an observer at rest on the ground isA) 5 m/s.B) 11 m/s.C) either depending on her running directionD) none of the aboveAnswer: CDiff: 2Topic: Motion is Relative4) You're at rest in a hammock when a hungry mosquito sees an opportunity for lunch. A mild 2-m/s breeze is blowing. If the mosquito joins you for lunch it should hover over you by flyingA) against the breeze at 2 m/s.B) with the breeze at 2 m/s.C) a bit faster than wind speed.D) none of the aboveAnswer: ADiff: 2Topic: Motion is Relative

Test Bank for Conceptual Physics, 12th Edition - Page 24 preview image

Loading page ...

25) Jogging Jake runs at 4 m/s along a train flatcar that moves at 10 m/s in the same direction.Jake's speed relative to the ground isA) 6 m/s.B) 10 m/s.C) 14 m/s.D) none of the aboveAnswer: CDiff: 2Topic: Motion is Relative6) Jogging Jake runs at 4 m/s along a train flatcar that moves at 10 m/s in the opposite direction.Jake's speed relative to the ground isA) 6 m/s.B) 10 m/s.C) 14 m/s.D) none of the aboveAnswer: ADiff: 2Topic: Motion is Relative7) The speedometer of an automobile readsA) average speed.B) instantaneous speed.C) accelerated speed.Answer: BDiff: 1Topic: Speed and Velocity8) The two measurements necessary for calculating average speed areA) acceleration and time.B) velocity and time.C) distance and time.D) distance and acceleration.E) velocity and distance.Answer: CDiff: 1Topic: Speed and Velocity9) When you walk at an average speed of 4 m/s, in 5 s you'll cover a distance ofA) 2 m.B) 10 m.C) 15 m.D) 20 m.Answer: DDiff: 2Topic: Speed and Velocity

Test Bank for Conceptual Physics, 12th Edition - Page 25 preview image

Loading page ...

310) A vehicle undergoes acceleration when itA) gains speed.B) loses speed.C) changes its direction.D) all of the aboveAnswer: DDiff: 1Topic: Speed and Velocity11) The average speed of a horse that gallops 10 kilometers in 30 minutes isA) 15 km/h.B) 20 km/h.C) 30 km/h.D) 40 km/h.Answer: BDiff: 2Topic: Speed and Velocity12) A ball rolls along a horizontal track in a certain time. If the track has a dip in it, the time toroll the length of the track will beA) less.B) the same.C) more.Answer: ADiff: 3Topic: Speed and Velocity13) A ball rolls along a horizontal track in a certain time. If the track has a small upward dent init, the time to roll the length of the track will beA) less.B) the same.C) more.Answer: CDiff: 3Topic: Speed and Velocity14) While a car travels around a circular track at a constant speed, itsA) acceleration is zero.B) velocity is zero.C) inertia is zero.D) none of the aboveAnswer: DDiff: 2Topic: Acceleration

Test Bank for Conceptual Physics, 12th Edition - Page 26 preview image

Loading page ...

415) If a car increases its velocity from zero to 60 m/s in 10 seconds, its acceleration isA) 3 m/s2.B) 6 m/s2.C) 60 m/s2.D) 600 m/s2.Answer: BDiff: 2Topic: Acceleration16) An object covers a distance of 8 meters in the first second of travel, another 8 meters duringthe next second, and 8 meters again during the third second. Its acceleration isA) 0 m/s2.B) 5 m/s2.C) 8 m/s2.D) 24 m/s2.Answer: ADiff: 2Topic: Acceleration17) A cart maintains a constant velocity of 100 m/s for 10 seconds. During this interval itsacceleration isA) zero.B) 1 m/s2.C) 10 m/s2.D) none of the aboveAnswer: ADiff: 2Topic: Acceleration18) A cart changes its speed from 90 m/s to 100 m/s in 10 seconds. During this interval itsacceleration isA) zero.B) 1 m/s2.C) 10 m/s2.D) none of the aboveAnswer: BDiff: 2Topic: Acceleration

Test Bank for Conceptual Physics, 12th Edition - Page 27 preview image

Loading page ...

519) If an object moves with constant acceleration, its velocity mustA) be constant also.B) change by the same amount each second.C) change by varying amounts depending on its speed.D) always decrease.Answer: BDiff: 2Topic: Acceleration20) A rock dropped from a 5-m height accelerates at 10 m/s2 and strikes the ground 1 s later. Ifthe rock is dropped from a height of 2.5 m, itsaccelerationof fall isA) half.B) the same.C) twice.D) four times as much.Answer: BDiff: 2Topic: Acceleration21) A ball tossed vertically upward rises, reaches its highest point, and then falls back to itsstarting point. During this time the acceleration of the ball is alwaysA) in the direction of motion.B) opposite its velocity.C) directed upward.D) directed downward.E) none of the aboveAnswer: DDiff: 2Topic: Acceleration22) A car's speed 3 seconds after accelerating from rest at 2 m/s2 isA) 2 m/s.B) 3 m/s.C) 4 m/s.D) 6 m/s.Answer: DDiff: 2Topic: Acceleration

Test Bank for Conceptual Physics, 12th Edition - Page 28 preview image

Loading page ...

623) A ball starting from rest at the top of an inclined plane gains a speed of 2 m/s for each secondit rolls. What is its acceleration down the incline?A) 0.5 m/s2B) 1 m/s2C) 2 m/s2D) 4 m/s2Answer: CDiff: 2Topic: Acceleration24) A ball starting from rest at the top of an inclined plane accelerates at 2 m/s2 and reaches thebottom of the plane in 3 seconds. What is the length of the plane?A) 2 mB) 3 mC) 5 mD) 9 mAnswer: DDiff: 3Topic: Acceleration25) The time it takes a car to attain a speed of 30 m/s when accelerating from rest at 2 m/s2 isA) 2 s.B) 15 s.C) 30 s.D) 60 s.E) none of the aboveAnswer: BDiff: 3Topic: Acceleration26) What is the acceleration of a car that starts from rest and 5 seconds later reaches a speed of20 m/s?A) 1 m/s2B) 2 m/s2C) 3 m/s2D) 4 m/s2E) 5 m/s2Answer: DDiff: 3Topic: Acceleration

Test Bank for Conceptual Physics, 12th Edition - Page 29 preview image

Loading page ...

727) Ten seconds after starting from rest, a car is moving at 40 m/s. What is the car's acceleration?A) 0.25 m/s2B) 2.8 m/s2C) 4.0 m/s2D) 10 m/s2E) 40 m/s2Answer: CDiff: 3Topic: Acceleration28) If a rocket initially at rest accelerates at a rate of 50 m/s2 for one minute, its speed will beA) 50 m/s.B) 500 m/s.C) 3000 m/s.D) 3600 m/s.Answer: CDiff: 3Topic: Acceleration29) The accelerations possible for a ball on an inclined planeA) range from zero tog.B) range fromgto infinity.C) have no limit.Answer: ADiff: 3Topic: Acceleration30) A freely-falling watermelon falls with constantA) velocity.B) speed.C) acceleration.D) distances each successive second.Answer: CDiff: 1Topic: Free Fall31) While an iron block near the Earth's surface is in free fall, it undergoes an increase inA) speed.B) acceleration.C) both of theseD) neither of theseAnswer: ADiff: 1Topic: Free Fall

Test Bank for Conceptual Physics, 12th Edition - Page 30 preview image

Loading page ...

832) The distance a freely falling bowling ball falls each secondA) is about 5 m.B) is about 10 m.C) increases.D) none of the aboveAnswer: CDiff: 2Topic: Free Fall33) Twelve seconds after starting from rest, a freely-falling cantelope has a speed ofA) 10 m/s.B) 50 m/s.C) 100 m/s.D) more than 100 m/s.Answer: DDiff: 2Topic: Free Fall34) An apple falls from a tree and hits the ground 5 meters below with a speed of aboutA) 5 m/s.B) 10 m/s.C) 15 m/s.D) 20 m/s.E) not enough informationAnswer: BDiff: 2Topic: Free Fall35) If a stone falls to the bottom of a mineshaft in 6 seconds, then the depth of the shaft is aboutA) 60 m.B) 120 m.C) 180 m.D) more than 200 m.Answer: CDiff: 2Topic: Free Fall36) If a freely falling object were equipped with a speedometer, its speed reading would increaseeach second by aboutA) 5 m/s.B) 10 m/s.C) 15 m/s.D) a variable amount.E) depends on its initial speedAnswer: BDiff: 1Topic: Free Fall

Test Bank for Conceptual Physics, 12th Edition - Page 31 preview image

Loading page ...

937) If a freely falling object were equipped with a speedometer on a planet where theacceleration due to gravity is 20 m/s2, then its speed reading would increase each second byA) 10 m/s.B) 20 m/s.C) 30 m/s.D) 40 m/s.E) depends on its initial speedAnswer: BDiff: 2Topic: Free Fall38) If an object falling freely were somehow equipped with an odometer to measure the distanceit travels, then the amount of distance it travels each succeeding second would beA) constant.B) less and less each second.C) greater than the second before.D) doubled.Answer: CDiff: 1Topic: Free Fall39) An object at rest near the surface of a distant planet starts to fall freely. If the accelerationthere is twice that of the Earth, its speed one second later would beA) 10 m/s.B) 20 m/s.C) 30 m/s.D) 40 m/s.Answer: BDiff: 1Topic: Free Fall40) A ball is thrown upwards and returns to the same location. Compared with its initial speed itsspeed when it returns is aboutA) half as much.B) the same.C) twice as much.D) four times as much.Answer: BDiff: 2Topic: Free Fall

Preview Mode

This document has 581 pages. Sign in to access the full document!

Report

Study Now!

Document Details

Related Documents

Solution Manual for Financial Accounting, 10th Edition

Class Notes for Financial Accounting, 10th Edition

Physics – Waves and Sound

Physics – Thermodynamics

Physics – Modern Physics

Physics – Light

Physics – Electricity and Magnetism

Physics – Classical Mechanics

Exploring Light Intensity Through Polarizers

IPL Lab Report

Company

Explore

Study Tools