Question

law of conservation of momentum​

Answer 1

One of the most powerful laws in physics is the law of momentum conservation. ... For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.

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Answer 2

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♣ Momentum

✍️ It is the product of mass and velocity.

✍️ It is a vector quantity, possessing a magnitude and a direction in three-dimensional space.

✍️ If m is an object's mass and v is the velocity (also a vector), then the momentum is

${\bold{\red{\huge{p\:=\:mv}}}}$

✍️ In SI units, it is measured in kilogram meters per second (kg⋅m/s). 

✍️ Newton's second law of motion states that a body's rate of change in momentum is equal to the net force acting on it.

♣ Types of Momentum

✍️ Linear momentum

✍️Translational momentum

✍️ Rotational Momentum

♣ Conservation of Momentum

✍️ The law of conservation of momentum states that for two objects colliding in an isolated system, the total momentum before and after the collision is equal. 

✍️ It is embodied in Newton's first law i e., the law of inertia .