Two blocks A and B of masses m and 2m respectively are held at rest such that the spring is in natural length. Find out the accelerations of both the blocks just after release:
A
g↓,g↓
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B
g3↓,g3↑
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C
0,0
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D
g↓,0
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Solution
The correct option is Ag↓,g↓ In this case spring force is zero initially F.B.D. of A and B Now using newton's 2nd law Fnet=msystema a=g is both the cases.