MCAT Question of the Day
    •

    Q:

    		 A ball of mass M is spun in a circle at the end of a string of length R. If both M and R double, what would happen to the centripetal force if velocity of the ball remains the same?
    		 

    A

    		 become one-quarter of previous

    B

    		 become one-half of previous

    C

    		 double

    D

    		 remain the same



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