A bathtub has an exit pipe at the bottom covered with a plug of area 16 cm2. The bathtub contains water to a depth of 0.30 m. The density of the water is 1000 kg/m3 and the acceleration of free fall is 9.81 m/s2.
What is the force acting on the plug due to the water?
0.047 N0.047\text{ N}0.047 N
4.7 N4.7\text{ N}4.7 N
47 N47\text{ N}47 N
470 N470\text{ N}470 N
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.