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Kinematics: Displacement, Velocity, and Acceleration
This deck covers the fundamental concepts of kinematics, including displacement, velocity, acceleration, and their related equations. It explains different types of motion and how to calculate key kinematic quantities.
What is kinematics?
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Key Terms
Term
Definition
What is kinematics?
Kinematics is the branch of mechanics that describes how objects move in terms of space and time.
What are the three types of motion in mechanics?
The three types of motion are translational, rotational, and vibrational.
Define displacement.
Displacement is a vector quantity that represents the change in position of an object, calculated as x final minus x initial.
How is average speed different from speed?
Average speed is the total distance traveled divided by total time, while speed is the magnitude of velocity, defined in terms of displacement over ti...
What is average velocity?
Average velocity is a vector quantity equal to the displacement divided by the time interval.
How is instantaneous velocity determined?
Instantaneous velocity is the derivative of position with respect to time, representing the velocity at a specific instant.
Related Flashcard Decks
| Term | Definition |
|---|---|
What is kinematics? | Kinematics is the branch of mechanics that describes how objects move in terms of space and time. |
What are the three types of motion in mechanics? | The three types of motion are translational, rotational, and vibrational. |
Define displacement. | Displacement is a vector quantity that represents the change in position of an object, calculated as x final minus x initial. |
How is average speed different from speed? | Average speed is the total distance traveled divided by total time, while speed is the magnitude of velocity, defined in terms of displacement over time. |
What is average velocity? | Average velocity is a vector quantity equal to the displacement divided by the time interval. |
How is instantaneous velocity determined? | Instantaneous velocity is the derivative of position with respect to time, representing the velocity at a specific instant. |
What is acceleration? | Acceleration is the rate of change of velocity with time, and it can be average or instantaneous. |
What is the significance of a constant acceleration? | With constant acceleration, velocity changes linearly with time, allowing the use of specific kinematic equations. |
How is displacement found from a velocity-time graph? | Displacement is equal to the area under the velocity-time graph. |
What happens when an object moves in a circular path with constant speed? | The displacement is zero because the initial and final positions are the same, while the total distance is the circumference of the circle. |