2. Questions Bank
  3. 8th Class
  4. Science
  5. Friction

8th Class Science Friction Question Bank Friction Formative Objective Problems

  • question_answer
    Ted learns about force of friction and tries out different ways of reducing as well as increasing the friction on the surface of his driveway. In order to reduce the friction on the surface of the drive way, Ted should

    A)  Cover it with small pebbles

    B)  Cover it with sand

    C)  Spread grit on it

    D)  Pour oil on it

    Correct Answer: D

    Solution :

      In order to reduce the friction on the surface of his driveway, Ted should make its surface very smooth. He should do so because frictional forces become very weak on smooth surfaces. Hence, in order to reduce the friction on the surface of his driveway, Ted should pour oil it. The correct answer is D.


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