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Questions  

Figure shows two blocks A and B connected to an ideal pulley string system. In this system when bodies are released then: (neglect friction and take g = 10 m/s2)

 

a
Acceleration of block A is 1 m/s2
b
Acceleration of block A is 2 m/s2
c
Tension in string connected to block B is 40 N
d
Tension in string connected to block B is 160 N

detailed solution

Correct option is B

Applying NLM on 40 kg block               400 - 4 T = 40aFor 10 kg block T = 10.4aSolving a = 2 m/s2            T = 80 N

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Similar Questions

A constant force F = m2g/2 is applied on the block of mass m1 as shown. The string and the pulley are light and the surface of the table is smooth. Find the acceleration of m1.


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