# In case of negative work the angle between the force and displacement is$(a).\ 0^{\circ}$$(b).\ 45^{\circ}$$(c).\ 90^{\circ}$$(d).\ 180^{\circ}$

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We know the formula for the work done, $W=Fd\cos\theta$

Here, $W\rightarrow$ work done

$d\rightarrow$displacement

$F\rightarrow$Force applied

$\theta$angle between the directions of force applied and displacement

If $\theta=180^{\circ}$, then $\cos\theta=\cos180^{\circ}=-1$

So, work done $W=-Fd$

So, option$(d)$ is correct.

Updated on 10-Oct-2022 13:28:52