A materials-testing machine presses a sample against a horizontal plate.
The table shows the normal force and contact area for four settings of the machine.
| Setting | Normal force (N) | Contact area (m²) |
|---|---|---|
| A | 1200 | 0.24 |
| B | 600 | 0.10 |
| C | 1000 | 0.16 |
| D | 900 | 0.15 |
Which setting gives the greatest pressure on the plate?
Setting A
Setting B
Setting C
Setting D
108 exam-style questions on AQA GCSE Physics 5.5 Pressure and pressure differences in fluids, covering 5.5.1 Pressure in a fluid and 5.5.2 Atmospheric pressure. Each one has a worked solution and a mark scheme showing where the marks go.