In the figure above, the two blocks are connected by a massless cord. A cord pulls
on the right block with a force of 100 Newtons to the right. Another cord pulls
on the left block with a force of 60 Newtons to the left. The left block has a
mass of n1 Kg and the right block has a mass of n2 Kg.
What is the tension of the cord in the middle? If the tension is
n3 Newtons, what is n3?
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