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5.4 Moments, levers and gears

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Question 15
F

A student investigates moments using a uniform ruler. The ruler is balanced on a pivot at its centre before any weights are added. Why is the ruler balanced first?

[1]
A

So that the weights hang vertically downwards from the ruler

B

So that the two weights are always the same distance from the pivot

C

So that friction at the pivot does not affect the results

D

So that the weight of the ruler has no turning effect about the pivot

Markscheme

5.4 Moments, levers and gears Questions

  1. GCSE
  2. /Physics
  3. /5.4 Moments, levers and gears

40 exam-style questions on AQA GCSE Physics 5.4 Moments, levers and gears, covering 5.4 Moments, levers and gears. Each one has a worked solution and a mark scheme showing where the marks go.

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