A box has a mass of 800 g. One of its surfaces measures 0.20 m×0.25 m0.20\text{ m} \times 0.25\text{ m}0.20 m×0.25 m. This surface is in contact with a shelf.
The gravitational field strength g g\,g is 10 N/kg.
What is the pressure exerted on the shelf due to the box?
16 N/m216\text{ N/m}^216 N/m2
40 N/m240\text{ N/m}^240 N/m2
160 N/m2160\text{ N/m}^2160 N/m2
800 N/m2800\text{ N/m}^2800 N/m2
188 exam-style questions on CIE IGCSE Physics Pressure, covering Pressure. Each one has a worked solution and a mark scheme showing where the marks go.