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

question 54

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 1450 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:

Imaginary Audience

A phenomenon where an individual imagines and believes that multitudes of people are enthusiastically listening to or watching them, common in adolescent egocentrism.

Implicit Judgment

An automatic and unconscious assessment or opinion formed about something or someone, based on biases or past experiences.

Invincibility Fable

A cognitive bias often observed in adolescents and young adults, characterized by the belief that they are immune to common dangers and risks.

Deductive Reasoning

A process of reaching a decision through the harmony of multiple propositions that are commonly taken as factual.