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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
    The picture shows ajar with its lid. What kind of a simple machine is ajar lid?

    A)  Ramp                                  

    B)                         Pulley  

    C)                         Screw                                  

    D)                         Wedge

    Correct Answer: C

    Solution :

    Ajar lid that has grooves for rotating in. order to close the jar. It is a form of screw.


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