A Horizontal Force of 100 N Is Applied to Move

question 49

Multiple Choice

A horizontal force of 100 N is applied to move a 45-kg cart across a 9.0-m level surface.What work is done by the 100-N force?

• A)405 J
• B)500 J
• C)900 J
• D)4 500 J

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Definitions:

Long-Run Adjustments

Refers to changes that firms in an industry make in response to economic opportunities or constraints, involving adjustments in production capacity or resource utilization over time.

Marginal Revenue

The extra revenue obtained by selling an additional unit of a product or service.

Upsloping Line

A graphical representation indicating positive correlation between two variables; as one variable increases, so does the other.

Demand Curve

A graphical representation showing the relationship between the price of a good and the quantity demanded by consumers, usually downward sloping.