A uniform beam of weight 40 N and length 2.0 m rests on a single pivot placed 0.50 m from its left hand end. A downward force is applied at the left hand end to hold the beam horizontal. What is the size of this force?
40 N
20 N
80 N
10 N
40 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.