A motor raises a loading ramp using a driving gear that interlocks with a driven gear fixed to an axle.
The force between the teeth of the gears is 160 N. The axle must have a moment of at least 18 Nm to raise the ramp.
| Driven gear | Perpendicular distance from the axle to the line of action of the force |
|---|---|
| P | 0.075 m |
| Q | 0.125 m |
Calculate the moment produced on each driven gear.
Explain which driven gear should be used to raise the ramp.
124 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.