11th Class Physics Work, Energy, Power & Collision / कार्य, ऊर्जा और शक्ति Question Bank Work, Energy And Power Conceptual Problems

  • question_answer
    Why a metal ball rebounds better than a rubber ball?

    Answer:

                    When a rubber ball hits a massive object, say, earth, the ball is distorted. A large amount of heat is generated in the ball by the rubbing of the rubber molecules against each other. This effect is essentially absent in a hard material. So, a metal ball would often lose less energy upon collision than would a rubber ball.


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