A woman applies a constant horizontal force of 50 N to push a crate along a level floor.
How much power is required to push the crate 6.0 m in 4.0 s?
12.5 W12.5\text{ W}12.5 W
75 W75\text{ W}75 W
300 W300\text{ W}300 W
1200 W1200\text{ W}1200 W
95 exam-style questions on CIE IGCSE Physics 1.7.4 Power. Each one has a worked solution and a mark scheme showing where the marks go.