A Worker Lifts a Heavy Load Using a Two-Pulley System

A worker lifts a heavy load using a two-pulley system as in the figure.If the tension in the rope segment labeled A is 725 N,what are the weight of the load,and the force that the worker exerts on the rope,respectively?

A) 363 N,725 N
B) 725 N,363 N
C) 1450 N,725 N
D) 1450 N,1450 N
E) Insufficient information is given to answer this question.

Correct Answer:

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