Physics (AS & A Level) · Oct / Nov 2020 · Paper 12 · Question 12

A rigid circular disc of radius $r$ has its centre at X. A number of forces of equal magnitude $F$ act at the edge of the disc. All the forces are in the plane of the disc. Which arrangement of forces provides a total moment of magnitude $2Fr$ about X?

1. ADiagram A
2. BDiagram B
3. CDiagram C
4. DDiagram D

As printed in the paper