change of its linear momentum:
Law of conservation of linear momentum:
Collision: If a number of bodies collide with one another then total momentum of the bodies, just before collision is equal to the total momentum just after collision.
i.e. m1u1+m2u2 = m1v1+m2v2
i) In the absence of an external force, the linear momentum of a particle or a body remains constant i.e. if \(\overrightarrow F=0\) then \(\overrightarrow P=\) constant
ii) In the absence of external force, the linear momenta of individual particles can change but the total linear momentum of the whole system remains constant.
iii) The law of conservation of linear momentum is based on the Newton’s third law of motion. This is the fundamental law of nature and there is no exception to it.
iv) This law is valid only for linear motion.
v) Internal forces cannot change the total momentum of the system, however they may change the momentum of each particle of the system.
vi) Motion of a rocket, firing of a bullet from a gun and explosion of a shell fired from a cannon are some examples where we can apply the law of conservation of linear momentum
change of its linear momentum:
Law of conservation of linear momentum:
Collision: If a number of bodies collide with one another then total momentum of the bodies, just before collision is equal to the total momentum just after collision.
i.e. m1u1+m2u2 = m1v1+m2v2
i) In the absence of an external force, the linear momentum of a particle or a body remains constant i.e. if \(\overrightarrow F=0\) then \(\overrightarrow P=\) constant
ii) In the absence of external force, the linear momenta of individual particles can change but the total linear momentum of the whole system remains constant.
iii) The law of conservation of linear momentum is based on the Newton’s third law of motion. This is the fundamental law of nature and there is no exception to it.
iv) This law is valid only for linear motion.
v) Internal forces cannot change the total momentum of the system, however they may change the momentum of each particle of the system.
vi) Motion of a rocket, firing of a bullet from a gun and explosion of a shell fired from a cannon are some examples where we can apply the law of conservation of linear momentum