Question

Three identical spheres, each of mass 1 kg are
placed touching each other with their centres on a
straight line. Their centre are marked P, Q and R
respectively. The distance of centre of mass of the
system from P is :
(1)
PQ+ PR + QR
3
(2)
PQ+ PR
3
(3)
PQ+ QR
3
(4)
PR + QR
2
CM0001​

Answer 1

Answer:

option no 3

Explanation:

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