A hollow hemisphere of mass 4 m is placed as shown in figure. Two point masses m each are fixed to it at points P and Q on diametrically opposite points. The position of center of mass of the system is

Question

A hollow hemisphere of mass 4 m is placed as shown in figure. Two point masses m each are fixed to it at points P and Q on diametrically opposite points. The position of center of mass of the system is, 0 , - R 2, 0 , - R 3, 0 , - 2 R 3, 0 , - R 4

MARKS App · Accepted Answer

Centre of mass for cut portion from a body X c m = m 1 x 1 - m 2 x 2 m 1 + m 2 X c m = m R - m R 6 m = 0 Y c m = 4 m × - R 2 6 m = - R / 3

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