For the given case, choose the correct statement.
A
The time period of SHM is 
. and and
. and and
B
The magnitude of force on both the blocks is not same. are correct. are incorrect.
C
Both
D
Both
Text Solution
Verified by ExpertsThe correct answer is:
D
The net external force on the system (two blocks + spring),
Centre of mass remains at rest.
The spring will equally elongate by 
on both sides of centre of mass
Let total extension of spring 
(i)
Spring force, 
(ii)
[as the displacement of the block is 
]
From Eqs. (i) and (ii), we get
The magnitude of force on two blocks is same and equal to tension in the spring 
.
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