8th Class Science Friction Question Bank Friction

  • question_answer
    Why are the head of a match stick and the sides of a match box deliberately made rough?

    A)  To increase friction

    B)                         To decrease friction

    C)                         To increase the amount of heat

    D)                         To decrease the amount of heat

    Correct Answer: A

    Solution :

    Due to increased friction, greater frictional heat is produced in the match stick which thus lights up easily.


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