9th Class Science Force and laws of motion Question Bank Assertion and Reason MCQs - Force and Laws of Motion

  • question_answer
    Direction: For questions given below two statements are given-one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes [a], [b], [c] and [d] as given below.
    Assertion Inertia is the property by virtue of which the body is unable to change by itself the state of rest only.
    Reason The bodies do not change their state unless acted upon by an unbalanced external force.

    A) Both A and R are true and R is correct explanation of the A.

    B) Both A and R are true but R is not the correct explanation of the A.

    C) A is true but R is false.

    D) A is false but R is true.

    Correct Answer: D

    Solution :

    A is false but R is true.
    Inertia is the inherent property by virtue of which the body is unable to change its state of rest, or of uniform motion in a straight line unless acted upon by an unbalanced external force.


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