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Questions  >>  JEEMAIN and NEET  >>  NEET PAST PAPERS  >>  2015
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Point masses m1 and m2 are placed at the opposite ends of a rigid rod of length L and negligible mass. The rod is to be set rotating about an axis perpendicular to it. The position of point P on this rod through which the axis should pass so that the work required to set the rod rotating with angular velocity ω0 is minimum, is given by :<br>



( A ) x = m1m2L
( B ) x = m2m1L
( C ) x = m2Lm1+m2
( D ) x = m1Lm1+m2
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