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 Road accidents occurring due to high speeds are much worse than accidents due to low speeds of vehicles.
    Reason Momentum of high speed vehicles is more than that of low speed vehicles.

    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: A

    Solution :

    Both A and R are true and R is correct explanation of the A.
    Road accidents due to high speeds are much worse than accidents due to low speeds of vehicles. This is because the momentum of high speed vehicles is more than that of the low speed vehicles, as momentum is the product of mass and velocity.


You need to login to perform this action.
You will be redirected in 3 sec spinner