A student changes the shape of a rubber band, a metal spring and a foam block. Which change of shape always needs more than one force to be applied?
stretching only
compressing only
bending only
stretching, bending and compressing
40 exam-style questions on AQA GCSE Physics 5.3 Forces and elasticity, covering 5.3 Forces and elasticity. Each one has a worked solution and a mark scheme showing where the marks go.