Physics (AS & A Level) · Oct / Nov 2023 · Paper 11 · Question 12

A uniform bar of length L and weight W rests horizontally on two supports X and Y. [diagram: bar on supports X and Y, with R_X at distance L/6 from one end, W at centre, R_Y at other end] Support X exerts a vertical force R_X at a distance of L/6 from one end of the bar. Support Y exerts a vertical force R_Y at the other end of the bar. The bar is in equilibrium. What is the ratio R_X/R_Y?

1. A3/2
2. B2/3
3. C3/5
4. D2/5

As printed in the paper