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  5. Work, Force, Energy and Simple Machines

5th Class Science Work, Force, Energy and Simple Machines Question Bank Force Work and Energy

  • question_answer
    In a lever the fixed point around which the rod moves is called ____.

    A) Effort              

    B) Load   

    C) Pulley  

    D) Fulcrum           

    Correct Answer: D

    Solution :

    A lever is a rigid rod arranged in such a manner that it can move freely around a fixed point. This fixed point is called fulcrum. The object on which work is to be performed is called load and the force that needs to be applied on the rod in order to perform a task is called effort.


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