Which of the following describes the moment of a force about a pivot?
The product of the force and the perpendicular distance from the pivot to the line of action of the force.
The product of the force and the distance moved in the direction of the force.
The product of the force and the duration of time it acts.
The ratio of the force to the area over which it is applied.
245 exam-style questions on CIE IGCSE Physics 1.5 Forces, covering 1.5.1a Forces, resultant force and motion, 1.5.1b Load–extension graphs and the spring constant, 1.5.1c Friction and drag, 1.5.1d Force, mass and acceleration, 1.5.1e Motion in a circular path, 1.5.2a Moment of a force, 1.5.2b Principle of moments and equilibrium, and 1.5.3 Centre of gravity and stability. Each one has a worked solution and a mark scheme showing where the marks go.