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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A horizontal constant force F pulls a block of mass m placed on a horizontal surface If the coefficient of kinetic friction between the block and ground is mu. find the power delivered by the external agent a

A horizontal constant force F pulls a block of mass m placed on a horizontal surface If the coefficient of kinetic friction between the block and ground is mu. find the power delivered by the external agent a

An elevator of mass M with a person of mass m is moving upward with uniform velocity v. What is the power delivered by the elevator?