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  3. 8th Class
  4. Science
  5. Force and Pressure

8th Class Science Force and Pressure Question Bank Force and Pressure IIT JEE Objective Problems

  • question_answer
    William lifts a load by pulling the rope of a pulley system. This is shown in the given figure. Which force is applied by William to lift the load?

    A)  magnetic                           

    B)  muscular

    C)  electrostatic                     

    D)  gravitational

    Correct Answer: B

    Solution :

      To lift the load, William is using his hand to pull the rope of the pulley system. The pulley system rotates the wheel, as a result the lift the load. Hence, William is using his muscular force to life the load. The correct answer is B.


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