Question #b8162

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Answer 1 · 2018-02-26T12:18:41

See below.

The work $W$ $W$ done by the force $F$ $F$ along a displacement $s$ $s$ along a straight line is given by:

$W = F s$ $W=Fs$

As energy is tightly related to work, where $E_{k}$ $E_k$ is the kinetic energy of a body, we say:

$W=DeltaE_k$

On the other hand, where $E_p$ is the potential energy of a body, we say:

$W=-DeltaE_p$

If work is done on an incline, where $theta$ is the angle of inclination, we say:

$W=Fscostheta$