Question

Explain the circumstance in which work done is negative and no work is done even force is applied.​

Answer 1

Answer:

1 J = 1 N m. Work can be either positive or negative: if the force has a component in the same direction as the displacement of the object, the force is doing positive work. If the force has a component in the direction opposite to the displacement, the force does negative work.

Answer 2

Answer:

In this case, work is negative as the force applied to the goalie net is in the opposite direction of the net's movement. Remember when doing work calculations only the component of force parallel to the direction of movement is used in a work calculation

Explanation:

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