A force $\vec F = (5\hat i + 3\hat j)\;N$is applied over a particle which displaces it from its original position to the point $\vec s = (2\hat i - 1\hat j)$m. The work done on the particle is.........$J$
$+ 11 $
$+ 7$
$+ 13$
$-7 $
A force $\vec F = (5\hat i + 3\hat j)\;N$is applied over a particle which displaces it from its original position to the point $\vec s = (2\hat i - 1\hat j)$m. The work done on the particle is.........$J$
$W = \overrightarrow F .\overrightarrow s $$ = (5\hat i + 3\hat j).(2\hat i - \hat j)$$ = 10 - 3$ = $7\,J$