A person exercises using a rowing machine. During one pull, the combined force from the person's hands remains constant and acts in the direction in which the handle moves.
| Quantity | Value |
|---|---|
| Work done | 240 J |
| Combined force | 200 N |
What is the distance moved by the handle?
0.83 m0.83\ \mathrm{m}0.83 m
12 m12\ \mathrm{m}12 m
1.2 m1.2\ \mathrm{m}1.2 m
0.12 m0.12\ \mathrm{m}0.12 m
115 exam-style questions on Edexcel GCSE Physics 8.1 Energy transfers and work, covering 8.1.1 Energy stores and transfer diagrams, 8.1.2 Ways of changing a system's energy, and 8.1.3 Work done by forces. Each one has a worked solution and a mark scheme showing where the marks go.