Question

Two masses, M and m are connected together by a pulley two
strings and a stretched spring of force constant k as shown.
Assume that spring, pulley and spring all are massless and
surface below m is smooth. The amount by which the spring is
stretched:
mMg
k(m+M)
(B)
2mmg
k(m+M)
(c) Mg
(D) (m+M)g
2k
​

Answer 1

The answer is option a

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