As shown in the following figures block of mass 2 kg is in equilibrium in the vertical plane.
At a certain instant right spring in case-1 and right string in case-2 are cut. Then the ratio of instantaneous acceleration of block in case-1 to case-2 just after the cutting is -
(strings and springs are ideal)
A
0
B
1
C
D
None of these
Text Solution
Verified by ExpertsThe correct answer is:
C
2 T sin 370 0 = 20
2 T × 
= 20
T = 
N
Now when spring in cut in case – 1 then net force F 1 acting on block is
F 1 = 
= 
N
and when string is cut in cse-2 then net force F 2 acting on block is F 2 = 20 × 
= 16 N
= 
× 
= 
= 
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