A Body at Rest in a System Is Capable of Doing

question 63

Multiple Choice

A body at rest in a system is capable of doing work if:

• A)the potential energy of the system is positive
• B)the potential energy of the system is is negative
• C)it is free to move in such a way as to decrease its kinetic energy
• D)it is free to move in such a way as to decrease the potential energy of the system
• E)it is free to move in such a way as to increase the potential energy of the system

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Definitions:

Inflation

The speed at which the overall price level for products and services increases, diminishing the buying power.

Unemployment

The situation where individuals who are capable of working and willing to work do not find employment.

Opportunity Costs

The cost of the next best alternative foregone as a result of making a decision.

Scarce Resources

Essential goods and services that are limited in supply relative to demand, necessitating allocation and economical usage.