A horizontal concrete slab of area 0.60 m2 lies at the bottom of a reservoir at a depth of 35 m. The density of water is 1000 kg m-3 and the gravitational field strength g g\,g is 10 N kg-1. What is the downward force acting on the slab due to the water?
21 kN21\text{ kN}21 kN
150 kN150\text{ kN}150 kN
210 kN210\text{ kN}210 kN
350 kN350\text{ kN}350 kN
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.