A thin rod of length 3L is bent at right angles at a distance L from one end. Locate the centre of mass of the arrangement w. r. t. the corner

Q: A thin rod of length 3L is bent at right angles at a distance L from one end. Locate the centre of mass of the arrangement w. r. t. the corner (see figure). Given, L = 1.2 m )

Numerical

(a) r com = (0.2 i  + 0.8 j ) m

(b) r com = (0.4 i  + 0.6 j) m

(c) r com = (0.5 i  + j ) m

(d) r com = (0.2 i + 0.6 j) m

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Ans: (a)