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