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

Describe the concepts of displacement, velocity and acceleration.

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Question 1

A cyclist travels 800 m north along a straight road, then turns around and travels 300 m south. What is the key difference between the cyclist's displacement and distance travelled?

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Question 2

A cyclist travels along a straight road. The displacement–time graph shows the cyclist's motion over a 10 s interval. What key feature of the graph between 6 s and 10 s indicates that the cyclist's velocity is constant but different from the velocity between 0 s and 4 s?

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Question 3

Refer to the position–time graph below. What key feature differentiates displacement from distance travelled for the motion shown between t = 0 s and t = 8 s?

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