search
arrow-left Previous
Next arrow-right
Q: Body A whose mass is 2 kg and body B whose mass is 3 kg are moving towards each other at a velocity of 4 m / s and 2 m / s respectively, at the time of collision the elastic impact will be –
  • A. forward towards B
  • B. in the direction of A
  • C. perpendicular to the direction of motion of both bodies
  • D. in the opposite direction
Correct Answer: Option D - Law of Conservation of Momentum– This law states that if a number of bodies are interacting with each other (i.e., exerting forces on each other), their total momentum remains conserved before and after the interaction, provided there is no external force acting on them. Hence during the collision elastic impact will be in opposite direction.
D. Law of Conservation of Momentum– This law states that if a number of bodies are interacting with each other (i.e., exerting forces on each other), their total momentum remains conserved before and after the interaction, provided there is no external force acting on them. Hence during the collision elastic impact will be in opposite direction.

Explanations:

Law of Conservation of Momentum– This law states that if a number of bodies are interacting with each other (i.e., exerting forces on each other), their total momentum remains conserved before and after the interaction, provided there is no external force acting on them. Hence during the collision elastic impact will be in opposite direction.