Four students each pull a box along a level floor. The table shows their results.
| Student | Pulling force in N\mathrm{N}N | Distance in m\mathrm{m}m |
|---|---|---|
| P | 20 | 3.0 |
| Q | 15 | 5.0 |
| R | 30 | 2.0 |
| S | 10 | 6.5 |
Each force acts along the direction of movement. Which student does the greatest work?
Student S
Student P
Student R
Student Q
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.