The principle of conservation of linear momentum follows form the Newton's laws of motion. We will show it by an example.
Suppose two object A and B, of mass and
are moving in the same direction with velocity
respectively
. Object A collides with object B and after time t both moves in the original direction with velocity
respectively.
The change in momentum of object A is
The force applied by B on A
or
The change in momentum of object B is
The force applied by A on B
By Newton's third law that is for each and every action there is equal and opposite reaction
Hence, Initial momentum = Final momentum
Or we can say that momentum of a system is conserved.
Working of Rocket is based on the principle of __________ | |||
Right Option : C | |||
View Explanation |
A metal ball with the momentum mv strikes a wall and bounces back. The change in the ball's momentum is ideally ________________ | |||
Right Option : D | |||
View Explanation |
A 40 kg men, running at 3 | |||
Right Option : B | |||
View Explanation |
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