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The total mechanical energy of a certain isolated system of particles remains constant. If the individual kinetic energies of the particles are also constant, then what can be concluded about the forces that act in this system?

The total mechanical energy of a certain isolated system of particles remains constant. If the individual kinetic energies of the particles are also constant, then what can be concluded about the forces that act in this system?

Grade:10

1 Answers

Jitender Pal
askIITians Faculty 365 Points
8 years ago
In accordance with the law of conservation of mechanical energy, in an isolated system in which only conservative forces act, the total mechanical energy remains constant.The total mechanical energy of a certain isolated system of particles remains constant. Since the individual kinetic energies of the particles are also constant, so the momentum of the individual particles will remain constant. Therefore there is no forces acting on the system resulting there is no work done on the system. Thus the forces that act in this system will be a conservative force.

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