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Two bodies of mass 3 kg and 4 kg are sus...

Two bodies of mass 3 kg and 4 kg are suspended at the ends of massless string passing over a frictionless pulley. The acceleration of the system is `(g - 9.8 m//s^(2))`.

A

`4.9 m//s^(2)`

B

`2.45 m//s^(2)`

C

`1.4 m//s^(2)`

D

`9.5 m//s^(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
Acceleration of system `= ("Net pulling force")/("Total mass")`
` =(4g - 3g)/(7) = (9.8)/(7) = 1.4m//sec^(2)`
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