When external force acts on a system then its linear momentum will not be conserve. If only internal forces are acting on a system then the linear momentum of the system will be :

Foundation

Physics Foundation

Force and Newtons Law of Motion

Impulse and Momentum

Question

When external force acts on a system then its linear momentum will not be conserve. If only internal forces are acting on a system then the linear momentum of the system will be :

None of these

may be conserve and not may be conserve

not conserve

Conserve

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Linear momentum will conserved when internal forces act on system because some of internal forces will be zero.