When a force is perpendicular to the displacement, the work done is zero, illustrating the concept of work in physics.
The work done by a force is zero when the displacement is perpendicular to the force. In this case, no work is done as the force and displacement are orthogonal.
For example, if you push a sled across a snowy field, but you push it sideways instead of forward, you are applying a force perpendicular to the displacement, resulting in zero work being done.
This concept is crucial in understanding the relationship between force, displacement, and work in physics.
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