# What does the law of conservation of momentum mean?

##### 1 Answer

Mar 5, 2018

#### Answer:

It means that in a collision (even an inelastic collision) total momentum after the collision is the same as total momentum before the collision.

#### Explanation:

Momentum before = momentum after

where the u terms are initial velocity and the v terms are velocity after the collision.

If the 2 become stuck together, then

I hope this helps,

Steve