9th Class Science Force and laws of motion Question Bank Force and Laws of Motion

  • question_answer Which of the following statements is NOT true?

    A)  When the mass of a body is doubled, the momentum of a body is halved, provided the velocity remains the same.  

    B)  The pain we feel in the hand on hitting the wall is a consequence of Newton's third law of motion.

    C)  A table cloth which is pulled from a table without dislodging the dishes is due to inertia of rest.

    D)  Momentum is a vector quantity.

    Correct Answer: A

    Solution :

     When the mass of a body is doubled then the momentum of a body is also doubled, provided the velocity remains the same. Options [b], [c] and [d] are correct.

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