frequently asked five mark problems chapter one

10th Standard EM

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Science

Do not use black pen
Time : 00:15:00 Hrs
Total Marks : 15

    Part - A

    Answer all questions

    3 x 5 = 15
  1. Calculate the velocity of a moving body of mass 5 kg whose linear momentum is 2.5 kg m s-1.

  2. A door is pushed, at a point whose distance from the hinges is 90 cm, with a force of 40 N. Calculate the moment of the force about the hinges.

  3. At what height from the centre of the Earth the acceleration due to gravity will be 1/4 th of its value as at the Earth.

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