Two Weights Are Connected by a Massless Wire and Pulled

question 26

Multiple Choice

Two weights are connected by a massless wire and pulled upward with a constant speed of 1.50 m/s by a vertical pull P. The tension in the wire is T (see figure) . P is closest to

• A) 25 N.
• B) 125 N.
• C) 187.5 N.
• D) 245 N.
• E) 1225 N.

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Definitions:

Labor

The exertion of human energy, both bodily and cognitive, employed in generating goods and services.

Leisure

Free time when one is not working or occupied, which can be used for rest, entertainment, or activities one enjoys.

Nonlabor Income

Income received that is not related to wages or salaries, such as income from investments, pensions, or social security.

Wage Rate

The standardized amount of pay that a worker receives for performing a specific task, usually expressed per hour or unit of work.