A uniform beam is balanced on a central pivot. A weight of 12 N hangs 0.50 m to the left of the pivot. A single weight hangs 0.30 m to the right of the pivot. What is the size of the weight on the right?
1.8 N
3.6 N
7.2 N
20 N
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.