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

  • question_answer
    Give some example where a force does work on a body but fails to change its K.E.

    Answer:

                    When a body is dragged on a rough horizontal surface with a constant velocity, work is done against friction, but K.E. = constant.                


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