A force is used to open a door. Which distance is used to calculate the moment of the force about the hinge?
The distance moved by the handle as the door swings open
The perpendicular distance from the hinge to the line of action of the force
The distance from the hinge to the outside edge of the door
The distance from the line of action of the force to the edge of the door
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.