A body, acted upon by a force of $50 \,N$ is displaced through a distance $10$ meter in a direction making an angle of $60^°$ with the force. The work done by the force be ..........$J$
$200$
$100$
$300$
$250$
A body, acted upon by a force of $50 \,N$ is displaced through a distance $10$ meter in a direction making an angle of $60^°$ with the force. The work done by the force be ..........$J$
$W = \overrightarrow F \,.\,\overrightarrow S = FS\cos \theta $
$ = 50 \times 10 \times \cos 60^\circ = 50 \times 10 \times \frac{1}{2} = 250\,J.$
$ = 50 \times 10 \times \cos 60^\circ = 50 \times 10 \times \frac{1}{2} = 250\,J.$