Equilibrium: a 30

question 93

Multiple Choice

Equilibrium: A 30.0-kg child sits on one end of a long uniform beam having a mass of 20.0 kg, and a 40.0-kg child sits on the other end. The beam balances when a fulcrum is placed below the beam a distance 1.10 m from the 30.0-kg child. How long is the beam?

• A) 2.12 m
• B) 1.98 m
• C) 1.93 m
• D) 2.07 m
• E) 2.20 m

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Definitions:

Cyclical Unemployment

Unemployment that rises during economic downturns and falls when the economy improves, linked to business cycles.

Frictional Unemployment

Unemployment that occurs when people are between jobs or are entering the labor market for the first time.

Discouraged Workers

Individuals who are not actively seeking work because they believe no jobs are available for them or there are no jobs for which they would qualify.

Unemployment Rate

The rate of unemployment among people actively looking for work in the labor force.