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2 marksDynamics: Motion in a Straight Line

CSEC Physics · 1996 · Paper 2 · Question 2(a)(iii)

An object is allowed to fall in the laboratory and accelerates.

Why is the acceleration of free fall the same for all objects at the same place, if air resistance is negligible?

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Other parts of this question

  1. 2(a)(i)Define the term acceleration.[1 mark]
  2. 2(a)(ii)Explain why the object accelerates.[1 mark]
  3. 2(b)(i)Explain how the apparatus works.[3 marks]
  4. 2(b)(ii)Using this apparatus, a student obtains a value of 0.490 s for t, when h is 1.16 m. Calculate the average speed of the ball during the fall. Hence, calculate…[4 marks]
  5. 2(b)(iii)Sketch the velocity-time graph for the motion of the ball on the axes provided. Using the graph, or otherwise, calculate the acceleration of the ball during…[4 marks]

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