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Which of the following is the best example of work being done on an object?
A. holding a 50 kg barbell
B. lifting a bag of groceries
C. keeping a board in place
D. pushing on a car that will not move

Respuesta :

Raulzitos

Answer:

B

Explanation:

When you lift something you are applying Force and Movement.

The two things we use in Work formula.

The other options you don´t have any movement happening.

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