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Physics · Unit 2 · Linear motion and force · Linear motion

Construct free-body diagrams representing forces such as the force due to gravity (weight), the normal force, tension, friction, drag and applied forces acting on an object.

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Question 1

A block slides down a rough inclined plane at constant velocity. Which free-body diagram correctly represents all forces acting on the block during this motion?

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Question 2

A book rests on a horizontal table. Which free-body diagram correctly represents all forces acting on the book?

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Question 3

A wooden crate of mass 45 kg is being pulled across a rough horizontal floor by a rope at an angle of 25° above the horizontal. The crate moves at constant velocity. Which free-body diagram correctly represents all forces acting on the crate?

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More in Linear motion

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Compare instantaneous and average velocity.
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Contrast vectors and scalars, and use these terms to categorise physical quantities, e.g. velocity and speed.
All LOs in Linear motionBack to full Physics syllabus