Four point masses \( P, Q, R \) and \( S \) with respective masses \( 1 \mathrm{~kg}, 1 \mathrm{... VIDEO
Four point masses \( P, Q, R \) and \( S \) with respective masses \( 1 \mathrm{~kg}, 1 \mathrm{~kg}, 2 \mathrm{~kg} \) and \( 2 \mathrm{~kg} \) form the corners of a square of side \( a \). The centre of mass of the system will be farthest from
[Kerala PMT 2007]
(a) P only
(b) \( R \) and \( S \)
(c) \( R \) only
(d) \( P \) and \( Q \)
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