A man of mass 
has fallen into a ditch of width 
. Two of his friends are slowly pulling him out using a light rope and two fixed pulleys as shown in figure. Both the friends exert force of equal magnitudes 
.
When the man is at a depth 
, the value of 
is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
From the free body diagram,
So, as the man moves up, 
increases, 
decreases.
∵ 
Now, when the man is at depth 
, then the force is
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