<u>The system is in equilibrium state. Adding hanger will disturb the equilibrium due to weight of the added hanger. The name of force is </u><u>weight</u>
<h2>Explanation:</h2>
If a new hanger is added to either side of the existing system, the equilibrium of the system will be disturbed. The existing system shown in the figure has an equally distributed weight on both sides. As we know that weight is the force with which the earth attracts everything towards its center so adding a new hanger will add more weight to the system and that side will go down due to gravity.
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