If a body explodes then conservation of momentum can be applied as there is no external force acting?

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Solution

Yes, in this case there is no external force so conservation of momentum should be applied.

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Similar questions

If Linear momentum is defined as 'mass x speed', can we state a principle of conservation of linear momentum as 'linear momentum of a system remains constant if no external force acts on it?

Q. A block moving in air, explodes into two parts. Then just after explosion (neglect change in momentum due to gravity)

Statement

1

:- The total momentum of the two parts must be equal to the momentum of the block before explosion.

Statement

2

:- If no external force acts on a system, then the linear momentum of the system will be conserved.

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The linear momentum of a system of particles is the sum of linear momenta of the individual particles . Can we state a principle of conservation of linear momentum as "linear momentum of a system remains constant if no external force acts on it"???

The rate of change of momentum of a body is directly proportional to the net external force acting on the body and takes place in the same direction as that of the applied force.

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