Motion on frictionless plane

Classical Mechanics Level 2

In the above diagram, object \(A\) is on a frictionless horizontal plane and is connected to object \(B\) by a string and a pulley. What is the tension force on the string when both \(A\) and \(B\) start to move?

Gravitational acceleration is \( g= 10 \text{ m/s}^2. \)

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