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Introductory Physics Homework Help
Calculate the tension in the rope
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[QUOTE="Nugatory, post: 4564246, member: 382138"] You are right to treat it as two separate strings, for exactly the reason that you said: you can treat any point in the rope as a node and require that the forces on it all cancel (as long as the rope isn't accelerating, of course). If you change the angles, then it becomes even more important to think about it this way, because in general the tension in the two sides will be different. That sounds like a violation of the rule that the tension is uniform throughout the rope, but it's not. The only way of getting different angles is to physically hook the gymnast to a particular point on the rope, and then you really have two separate ropes connected to the eye of the hook, each with their own tension. (If you don't have that fixed hook, the gymnast's attachment point will slide down the rope until we reach equilibrium with the tensions and angles equal). [/QUOTE]
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Calculate the tension in the rope
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