A massless string is passing over a frictionless pulley and is carrying two masses 
( 
) at its ends. If g is the acceleration due to gravity then the thrust on the pulley by the string is
A
B
Zero
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
Equations of motion are
From eq (i) 
Putting in eq (ii)
Putting the value of 
in eq (i) we get
Thrust on the pulley is 2 T
Thrust is equal to 
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