9th Class Science Force and laws of motion Question Bank 9th CBSE Science Force and laws of motion

  • question_answer
      Velocity-time graph of a moving particle of mass 1 kg is shown in figure. Is any force acting on the body? Justify your answer. Hence, no unbalanced force acts on the body.

    Answer:

                      The velocity of body is uniform, thus acceleration is zero. Hence, no unbalanced force acts on the body.


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