When a body collides with a wall or the ground, what assumption do we make?

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Class 11 Physics Practice Test: Laws of Motion - Conservation of Momentum — practice the complete quiz, review flashcards, or try a random question.

The conservation of momentum states that, within some problem domain, the amount of momentum remains constant; momentum is neither created nor destroyed, but only changed through the action of forces as described by Newton's laws of motion.


When a body collides with a wall or the ground, what assumption do we make?