A pendulum bob is held so that the string makes an angle of with the vertical

PHYSICS · Subjective · A Level · Physics · Further mechanics and thermal physics · Further mechanics and thermal physics

Problem

0.40\,\text{kg}

pendulum bob is held so that the string makes an angle of

4.0^{\circ}

with the vertical. The pendulum length is

0.60\,\text{m}

. Determine the magnitude of the restoring force acting on the bob along its arc of motion at that instant.