What transformation of energy occurs when a moving body stops due to friction?

A moving body has kinetic energy Ek = m * V ^ 2/2, where m is the mass of the body that moves, V is the speed of movement.
According to the law of conservation of energy during friction, the kinetic energy of the body, Ek, is transferred into the internal energy of the body. As a result of the friction force, the body begins to heat up, mechanical energy turns into heat.




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