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Physics 14 Online
OpenStudy (anonymous):

Is it necessary that work done in the motion of a body over a closed loop is 0 for every force in nature ? why ?

OpenStudy (anonymous):

no...it's not true for every force in nature

OpenStudy (anonymous):

take the example of work done by friction force.

OpenStudy (anonymous):

can you first explain the question ? :)

OpenStudy (anonymous):

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