a) Define work Give SI unit of work Write an expression for positive work done
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When a force acts upon an object to cause a displacement of the object, it is said that work was done upon the object
The SI unit of work is Joules
W= FS cos Ф
Explanation:
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
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