Physics (AS & A Level) · Feb / March 2019 · Paper 12 · Question 18

Leonardo da Vinci proposed a flying machine that would work like a screw to lift the pilot into the air. The 'screw' is rotated by the pilot. The machine and the pilot together have a total mass of 120 kg. Which useful output power must the pilot provide to move vertically upwards at a constant speed of 2.5 m s⁻¹?

1. A48 W
2. B300 W
3. C470 W
4. D2900 W

As printed in the paper