A removal worker can push a piano 6.0 m up a ramp, or lift it straight up. Both methods raise the piano 1.5 m. There is friction between the piano and the ramp.
Which statement is correct?
Less work is done using the ramp, because the force needed on the piano is smaller.
The same work is done either way, because the piano is raised the same height.
More work is done using the ramp, because the piano moves further against friction.
No work is done using the ramp, because the ramp supports the weight of the piano.
40 exam-style questions on AQA GCSE Physics 5.2 Work done and energy transfer, covering 5.2 Work done and energy transfer. Each one has a worked solution and a mark scheme showing where the marks go.