Three identical spheres of mass each are placed at the corners of an equilateral triangle of side 2 . Taking one of the corner as the origin, the position vector of the centre of mass is |
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a) |
( |
b) |
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c) |
d) |

Three identical spheres of mass each are placed at the corners of an equilateral triangle of side 2 . Taking one of the corner as the origin, the position vector of the centre of mass is |
||||||||

a) |
( |
b) |
+ |
c) |
d) |

1 Answer

127 votes

**(b)**

The coordinate of centre of mass is

Position vector of centre of mass is

127 votes

127