A circular steering wheel is viewed from the driver's position. A force acts horizontally to the left at the top of the wheel. What is the turning effect about the centre of the wheel?
A moment to the left about the centre of the wheel.
No moment because the force acts horizontally.
An anticlockwise moment about the centre of the wheel.
A clockwise moment about the centre of the wheel.
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.