Question: A shaft is rotating at a uniform angular speed. Four masses M1, M2, and M3 and M4 of magnitudes 300kg, 450kg, 360kg, 390kg respectively

A shaft is rotating at a uniform angular speed. Four masses M1,

A shaft is rotating at a uniform angular speed. Four masses M1, M2, and M3 and M4 of magnitudes 300kg, 450kg, 360kg, 390kg respectively are attached rigidly to the shaft. The masses are rotating in the same plane. The corresponding radii of rotation are 200mm, 150mm, 250mmand 300mm respectively. The angle made by these masses with horizontal are 0.45, 120and 255respectively. Find- (i) the magnitude of balancing mass, (ii) the position of balancing mass if its radius of rotation is 200mm.

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