A beam is initially balanced. A 10 N load on the left is moved 0.12 m further from the pivot. A 15 N load on the right is then moved to restore balance. What movement is required?
0.080 m0.080\ \mathrm{m}0.080 m towards the pivot.
0.18 m0.18\ \mathrm{m}0.18 m away from the pivot.
0.080 m0.080\ \mathrm{m}0.080 m away from the pivot.
0.18 m0.18\ \mathrm{m}0.18 m towards the pivot.
102 exam-style questions on Edexcel GCSE Physics 9.2 Moments, covering 9.2.1 Rotational effects of forces and moments, 9.2.2 The principle of moments, and 9.2.3 Levers and gears. Each one has a worked solution and a mark scheme showing where the marks go.