Question

In the figure, three connected blocks are pulled to the right on a horizontal frictionless table by a force of magnitude *T*_{3} = 78.7 N. If *m*_{1} = 15.7 kg, *m*_{2} = 27.0 kg, and *m*_{3} = 39.9 kg, calculate the tension *T*_{2}.

Step 1

Free body diagram for all the three blocks is as shown below:

Step 2

Since there no motion taking place along vertical direction, the normal force N and the mg force will get neutralized for all the three blocks.

N = mg

Step 3

Since the resultant force along horizontal direction is not zero...

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