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Grade: 10
        
Can the work done by internal forces decrease the kinetic energy of a body? Increase it?
4 years ago

Answers : (1)

Jitender Pal
askIITians Faculty
365 Points
							The work done by the internal forces can increase the kinetic energy of the body.
In accordance to work-energy theorem, the net work done by the forces acting on a body is equal to the change in the kinetic energy of the body. The work done by internal forces will increase the internal energy of a body. The increase of internal energy of the body results, its constituent atoms or molecules might acquire this energy in several different forms like increase of translational kinetic energy and increase of rotational kinetic energy. Therefore, the work done by the internal forces can increase the kinetic energy of the body
4 years ago
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