A long uniform beam is pivoted about its left end

PHYSICS · Subjective · A Level · Physics · Mechanics and materials · Mechanics and materials

Problem

1.20\,\text{m}

long uniform beam is pivoted about its left end. The beam weighs

80\,\text{N}

(acting at its center) and a

50\,\text{N}

downward force is applied at its right end. Taking clockwise torques as positive, determine the net torque about the pivot.