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give me some clear idea about conservation of linear momentum

give me some clear idea about conservation of linear momentum

Grade:11

2 Answers

Khimraj
3007 Points
5 years ago
when external force on a system is zero than linear momentum of system remains conserved.
because force is change in momentum per second
F = dP/dt
If F = 0
Then dP = 0
so P = constant
Hope it clears.
praveen kumar srivastava
30 Points
5 years ago
F=m.a ( Here F is only stands for external force)
F=m.(v-u)/t   
if v=u then F=0 & if v=u then momentum, pi=mu ,pf=mv is also equal.
change in momentum= pf – ​pi =0
hence momentum is constant in absence of external force.

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