A-LevelPhysicsWork, energy and power9702/12 · Feb/Mar 2019 · Q181 Mark
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. [Figure 18.1] 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?
This question uses a diagram from the original paper, which isn't shown here. Open the full paper from the past papers archive to see it.
A48 W
B300 W
C470 W
D2900 W
✓ Correct answer
D: 2900 W
Practise more questions on this topic
Oracle Prep sorts past-paper questions by topic, so you can drill Work, energy and power and see which topics are most likely to come up next.
Sign up free →