A Thin, Massless String Is Wrapped Around a 0

question 37

Multiple Choice

A thin, massless string is wrapped around a 0.25 m radius grindstone supported by bearings that produce negligible frictional torque. A steady tension of 20 N in the string causes the grindstone to move from rest to a speed of 60 rad/s in 12 s. The moment of inertia of the grindstone is

• A) 1.0 kg · m².
• B) 2.0 kg · m².
• C) 3.0 kg · m².
• D) 4.0 kg · m².
• E) 5.0 kg · m².

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Definitions:

Exclusive Union

A labor union agreement that requires a company to hire only workers who are already union members.

Labor Union

An organization representing workers' interests, focusing on negotiating wages, work hours, and working conditions with employers.

Wage Rates

The amount of compensation individuals receive in exchange for their labor per unit of time, such as hourly or annual earnings.

Bilateral Monopoly

A market in which there is a single seller (monopoly) and a single buyer (monopsony).