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

question 53

Multiple Choice

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.

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Definitions:

Underlying Tension

The existing but concealed disagreements, issues, or conflict between individuals or groups that could potentially become more evident or erupt into a more pronounced conflict.

Boston Massacre

A confrontation on March 5, 1770, in which British soldiers killed five colonial civilians in Boston, exacerbating American resentment toward British rule.

Laborers

Laborers are workers, often in the construction, manual labor, or agricultural fields, who perform physical tasks and are essential to the completion of projects and production.

Nonimportation Movement

A series of commercial restrictions adopted by American colonists to protest British revenue policies prior to the American Revolution.