the work done in moving an electron of charge q and mass M from A to B along a circular path shown by a row in vertical plane in the field of q
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he work done on an object caused by a force over a displacement can be calculated. The calculation involves only the force component along the displacement of the object.
The force component perpendicular to the displacement does zero work.
The change in kinetic energy of a particle is equal to the work done on it by the net force.
Work done = Force x displacement
Work done = - mg x 2r
Work done = -2mgr
Explanation:
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