Physics
Grade-8
Easy

Question

The total momentum before a collision is ____ the total momentum after a collision

  1. Equal to    
  2. Less than    
  3. More than    
  4. Cannot say    

hintHint:

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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