Question

define momentum and write its unit​

Answer 1

Answer:

the quantity of motion of a moving body, measured as a product of its mass and velocity.

The unit of momentum is the product of the units of mass and velocity. In SI units, if the mass is in kilograms and the velocity is in meters per second then the momentum is in kilogram meters per second (kg⋅m/s).

Answer 2

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Momentum is a measure of the quantity of motion in a body. It depends upon the mass and velocity of the body. So, more the momentum, more the quantity of motion. Like saying more the temperature, the hotter the body.  

It's formula is -

p = mv

Where, P =momentum,

m = mass of the body,

v = velocity of the body.

The SI unit of momentum is kgm/s.

Now, a change in momentum implies that a force has been applied.

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