A motor uses two interlocking gears to adjust a greenhouse roof vent. The force between the teeth at their point of contact is 80 N and acts perpendicular to the radius of each gear.
| Gear | Perpendicular distance from the axis to the line of action of the force in m |
|---|---|
| driving gear | 0.025 |
| driven gear | 0.150 |
The motor turns the driving gear clockwise.
Calculate the difference between the moment on the driven gear and the moment on the driving gear.
Explain which direction the driven gear rotates.
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.