MCAT Question of the Day
    •

    Q:

    		 A three-pulley system is devised such that an individual pulls a rope on one end of the system and the pulleys raise a block of mass M a height X. Assuming that the pulleys are massless, how much work is performed by the individual?
    		 

    A

    		 MX

    B

    		 MgX

    C

    		 MX/3

    D

    		 MgX/3



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