Point masses m, and m2 are placed at theends of a rigid rod of length L, and neolioipThe rod is to be set rotating aboutperpendicular to it. The position of point Po asrod through which the axis should pass so twork required to set the rod rotating withvelocity 0 is minimum, is given byo,on(1) x =-12m, +m(2) X =-1n1m +m2(3) x=m,LXL(4) x=2L

Point masses m, and m2 are placed at theends of a rigid rod of length

1.	Point masses m, and m2 are placed at theends of a rigid rod of length L, and neolioipThe rod is to be set rotating aboutperpendicular to it. The position of point Po asrod through which the axis should pass so twork required to set the rod rotating withvelocity 0 is minimum, is given byo,on(1) x =-12m, +m(2) X =-1n1m +m2(3) x=m,LXL(4) x=2L
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