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(3) 205 Hz 19. Point masses m, and m, ar...

(3) 205 Hz 19. Point masses m, and m, 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 o, is minimum, is given by :- (1) X= m L (2) * = mL m, +m, m +m,

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