Physics
Grade-8
Easy
Question
The total momentum before a collision is ____ the total momentum after a collision
- Equal to
- Less than
- More than
- Cannot say
Hint:
The formula for the law of conservation of momentum is: m 1 u 1 + m 2 u 2 = m 1 v 1 + m 2 v 2.
The correct answer is: Equal to
Law of conservation of momentum states that for two or more bodies in an isolated system acting upon each other, their total momentum remains constant unless an external force is applied.
The formula for the law of conservation of momentum is: m 1 u 1 + m 2 u 2 = m 1 v 1 + m 2 v 2.
The total momentum before a collision is equal the total momentum after a collision
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