What length of rope must the operator pull and what is the ideal mechanical advantage (MA) of the pulley system if the 15 N load is to be raised 1 m? (Assume the rope is sufficiently long to accommodate movement of the load and that all pulleys are frictionless.)
10 m, MA 3
А
B
3.0 m, MA 3
С
10 m, MA 1/3
D
3.0 m, MA. 1/3

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