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Define work and write its units....

Define work and write its units.

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Work : Work can be defined as the product of the force (F) and the distance (s) moved along the direction of the force.
Work done = Force `times` displacement = F `times` s
[This formula is used in only translatory motion of the object]
1) Work is a scalar quantity.
2) Unit of work is 'N - m' or 'Joule' (J).
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