Himanshi posted an Question
April 15, 2021 • 22:18 pm 30 points
  • IIT JAM
  • Physics (PH)

Date page- feud oa sprihg

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  • Himanshi

    so work done by the ext force is not zero then how u applied the Law of cons of mechanical energy here

  • Himanshi

    sir here in this ques although conservative forces are present but we are applying an external force that displaces the spring and mass

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