Three masses of 2 kg, 4 kg and 4 kg are ...

Three masses of 2 kg, 4 kg and 4 kg are placed at the three points (1, 0, 0), (1, 1, 0) and (0, 1, 0) respectively. The position vector of its centre of massis

`frac(3)(5)hati+frac(4)(5)hatj`

`(3hati+hatj)`

`frac(2)(5)gati+frac(4)(5)hatj`

`frac(1)(5)hati+frac(3)(5)hatj`

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