The work done would be zero if either the force F is zero, the displacement s is zero, or if the force is not acting in the direction of the displacement (assuming there is no component of the force in the direction of displacement).
In what scenario would the work done be zero according to the definition provided?
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Work done is zero when the force applied on an object is perpendicular to its displacement, or when there is no displacement despite the force, such as pushing a wall that doesn’t move.