MCAT Question of the Day


  • Q:



    A large board is held up by a pivot, as shown in the diagram above. It is known that 3X = Y. For the board to be in static equilibrium, which of the following must be true?


     

    A

    The mass of the left block must be three times less than the mass of the right block

    B

    The mass of the right block must be three times less than the mass of the left block

    C

    The force of gravity on the left and right blocks are equal

    D

    Net torque around the pivot need not be zero



    Forces | Equilibrium | Quantitative Skills |
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