Physics (AS & A Level) · May / June 2022 · Paper 11 · Question 11

A horizontal wooden plank is pivoted at one end, as shown. The plank has a mass of 100 kg and a length of 10 m. The centre of gravity of the plank is a distance of 4 m from the pivot. What is the moment of the weight of the plank about the pivot?

1. A4 × 10² N m
2. B5 × 10² N m
3. C4 × 10³ N m
4. D5 × 10³ N m

As printed in the paper