A wooden block has a mass of 900 g.
The surface of the block in contact with a shelf has dimensions 0.15 m×0.20 m0.15\text{ m} \times 0.20\text{ m}0.15 m×0.20 m.
The gravitational field strength g g\,g is 10 N/kg.
What is the pressure exerted on the shelf due to the block?
0.27 N/m20.27\text{ N/m}^20.27 N/m2
27 N/m227\text{ N/m}^227 N/m2
30 N/m230\text{ N/m}^230 N/m2
300 N/m2300\text{ N/m}^2300 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.