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Four cubes of side a each of mass 40g, 2...

Four cubes of side `a` each of mass `40g`, `20g`, `10g` and `20g` are arranged in XY plane as shown in the figure. The coordinates of COM of the combination with respect to point O is

A

`(19a)/(18)`, `(17a)/(18)`

B

`(17a)/(18)`, `(11a)/(18)`

C

`(17a)/(18)`, `(13a)/(18)`

D

`(13a)/(18)`, `(17a)/(18)`

Text Solution

Verified by Experts

The correct Answer is:
A
`X_(CM)=(m_1X_1+m_2X_2+m_3X_3+m_4X_4)/(m_1+m_2+m_3+m_4)`
Similarly `Y_(CM)`.
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