A rescue sled rests on the ground. The total normal force exerted by the sled and the contact area of each runner are shown in the table.
| Quantity | Value |
|---|---|
| Total normal force | 540 N |
| Number of identical runners | 2 |
| Contact area of one runner | 0.018 m2 |
Calculate the pressure exerted by the sled on the ground.
132 exam-style questions on Edexcel GCSE Physics 15.2 Pressure in fluids, covering 15.2.1 Atmospheric pressure and height, 15.2.2 Pressure in fluids, 15.2.3 Pressure, force and area, 15.2.4 Pressure and depth, 15.2.5 Pressure in liquids: depth and density, 15.2.6 Upthrust, and 15.2.7 Floating and sinking. Each one has a worked solution and a mark scheme showing where the marks go.