A horizontal shelf is supported by a single pivot. The shelf weighs 180 N, and its weight acts at a perpendicular distance of 0.40 m to the right of the pivot. An equipment case is placed at a perpendicular distance of 0.80 m to the left of the pivot.
Calculate the weight of the equipment case when the shelf is balanced.
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.