A force sensor needs a rectangular contact plate with an area of 0.12 m2.
Four contact plates are available.
| Plate | Length in cm | Width in cm |
|---|---|---|
| P | 12 | 10 |
| Q | 30 | 40 |
| R | 120 | 100 |
| S | 4 | 3 |
Which plate has the required area?
Plate P
Plate R
Plate S
Plate Q
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.