naomiu24 naomiu24

18-10-2015
Physics

contestada

Which of these is NOT an example of work?
A. Holding a heavy book
B. Pushing a wheelbarrow
C. Lifting weights

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EjerciciosFyQ EjerciciosFyQ

18-10-2015

The correct answer is A. Holding a heavy book.

In this case, there is not a displacement of the system and you must remember that work is force times displacement.

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mybestbuddie mybestbuddie

18-10-2015

the correct answer is actually A

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