QQuestionPhysics
QuestionPhysics
Which way does the friction arrow in a Free Body Diagram (FBD) for a moving object point?
A. In the direction of motion
B. Opposite to the net force
C. Left
D. Opposite to motion
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Answer
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Step 1:I'll solve this problem step by step:
Step 2:: Understand Friction in Free Body Diagrams
Friction is a force that always acts parallel to the surface of contact and opposes the relative motion or impending motion of an object.
Step 3:: Determine Friction Direction
When an object is moving across a surface, the friction force always points in the opposite direction of the object's motion. This means the friction arrow will point in the direction opposite to the object's velocity vector.
Final Answer
Opposite to motion Key Insight: In a Free Body Diagram, the friction arrow always points in the direction opposite to the object's actual or potential motion, creating a resistive force that tends to slow down the object.
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