A camera boom is balanced horizontally about a pivot. The forces acting vertically downwards on the boom are shown in the table.
| Force | Size of force | Perpendicular distance from the pivot | Position relative to the pivot |
|---|---|---|---|
| Weight of camera | 25 N | 1.20 m | Right |
| Weight of boom arm | 40 N | 0.30 m | Right |
| Weight of counterweight | unknown | 0.60 m | Left |
Calculate the weight of the counterweight.
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.