Question

state the conditions under which a force does no work?​

Answer 1

When the angle between the displacement and force applied is 90 degree i.e the force applied is perpendicular to the displacement. No work is said to be done if there is no change in position or no motion even after application of force.

Answer 2

Answer:

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Explanation:

When the angle between the displacement and force applied is 90 degree i.e the force applied is perpendicular to the displacement. No work is said to be done if there is no change in position or no motion even after application of force.