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OpenStudy (noahbred):
Please help me If Sheila has to pull 5 m of rope to move an object up to her tree house using a fixed pulley, how much rope will she have to pull if she attaches a moveable pulley to the object? 5 m 2.5 m This is not the correct answer. The section on pulleys in section 2 of lesson 5 discusses how to solve this kind of problem. 10 m 20 m
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