A beam is in rotational equilibrium. Which statement must be correct?
Every force has the same magnitude as each other force.
The total clockwise moment equals the total anticlockwise moment.
The total clockwise force equals the total anticlockwise force.
Every force acts at the same distance from 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.