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:

Average Fixed Cost

The total fixed costs of production divided by the quantity of output produced.

Marginal Cost

The change in total production cost that arises when the quantity produced is incremented by one unit.

Average Total Cost

The total cost of production divided by the number of units produced, which includes both fixed and variable costs.

Average Total Cost

The total cost divided by the number of goods or services produced, representing the per unit cost of production.