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A boy on whom the force of gravity is 400 N hangs on to the middle of a rope stretched between two trees. The rope

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A boy on whom the force of gravity is 400 N hangs on to the middle of a rope stretched between two trees. The rope sags in such a way that it makes an angle of 170 between the boy's hands. What force does the rope exert on each tree? Show all work. 3 marks

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