A small ball of mass is tied to a string and whirled in a horizontal circle of radius…

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

Problem

A small ball of mass

0.25\,\text{kg}

is tied to a string and whirled in a horizontal circle of radius

1.5\,\text{m}

with a speed of

6\,\text{m\,s}^{-1}

. Calculate the magnitude of the centripetal force on the ball.