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Physics 21 Online
OpenStudy (anonymous):

Checking Answers In which of the following is no work done? climbing stairs lifting a book pushing a shopping cart I got none of the above

OpenStudy (anoop27):

Ans is Lifting a book

OpenStudy (anonymous):

Work is done when a Force cause movement in the direction of the Force. Climbing stairs, lifting a book and pushing a shopping cart (that moves) all involve work being done...

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