Defne work. Give SI unit of work. Write an expression for positive work done.
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Explanation:
Work is the energy required to move an object against a force. The SI unit for work is joule. Positive work is equal to the force times the distance the object moves, i.e.,
Work = Force × Displacement
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Work is said to be done whenever a force acts on a body and the body moves due to the force.The S.I unit of work is Joule.one joule of work is said to be done when a force of one newton displaces a body through a distance of 1 meter in its own direction.work done =Fs. 4.7.
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