Rotational Motion Question 175

Question: With 0 as the origin of the coordinate axis, the X and Y-coordinates of the centre of mass of the system of particles may be given as. Here m and 2m represent the masses of the particles.

Options:

A) (b2,0)

B) (b2,b)

C) (b3,b)

D) (b2b,b)

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Answer:

Correct Answer: C

Solution:

[c]

x=m(2b)+2m(b)+m×0+2m(b)m+2m+m+2m=b3

and

y=+b



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