1.

A block A of mass 7 kg is placed on a frictionless table. A thread tied to it passes over a frictionless pulley and carries a body B of mass 3 kg at the other end. The acceleration of the system is (given \[g=10m{{s}^{-2}}\]) 

A. \[100m/{{s}^{-2}}\]  
B. \[3m/{{s}^{-2}}\]
C. \[10m/{{s}^{-2}}\]  
D. \[30m/{{s}^{-2}}\]
Answer» C. \[10m/{{s}^{-2}}\]  


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