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5.4 Moments, levers and gears

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Question 4
F

The figure shows a wheelbarrow. The wheel acts as the pivot. The load in the wheelbarrow has a weight of 300 N and acts 0.40 m from the pivot. The person lifts the handles with a force F F\,F at a distance of 1.2 m from the pivot.

Figure: A wheelbarrow being lifted by its handles

image

a.

Calculate the moment of the weight of the load about the pivot.

[2]
b.

Calculate the smallest force F F\,F that will lift the load.

[3]
c.

Explain how the wheelbarrow makes the load easier to lift.

[2]
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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