An Auto Moves at a Steady 50 Mph Down a Straight

question 31

Multiple Choice

An auto moves at a steady 50 mph down a straight level road. The direction of the force of air resistance on the car is

• A) sideways.
• B) downward.
• C) backward.
• D) zero.
• E) forward.

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Definitions:

Average Total Cost Curve

A curve that shows the average cost per unit of output at different levels of production; it typically has a U-shape.

Marginal Cost

The climb in cost associated with generating another unit of a product or service.

Average Total Cost

The total cost of production (fixed and variable costs combined) divided by the quantity of output produced.

Marginal Cost

The cost of producing one additional unit of a product or service, which can change as the level of production varies.