Two masses are connected by a string which passes over a pulley accelerating upward at a rate A as shown. If a 1 and a 2 be the acceleration of bodies 1 and 2 respectively then:
A
A = a 1 – a 2
B
A = a 1 + a 2
C
A = 
D
A = 
Text Solution
Verified by ExpertsThe correct answer is:
C
length of string 
constant
Differentiating twice with respect to time, we get
Here 
is positive and 
is negative. Hence
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