1
Question
What is the work done by a force when the force is:
1.normal to the displacement produced.
2.in the same direction as the displacement produced.
1.normal to the displacement produced.
2.in the same direction as the displacement produced.
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Solution
1.W=FDcos90=0
2.W=FDcos0=FD
2.W=FDcos0=FD
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