A Crate of Weight W Is Being Pushed Across a Horizontal

question 83

Multiple Choice

A crate of weight w is being pushed across a horizontal surface by a force directed at an angle of 20° below the horizontal.What is the magnitude of the normal force on the crate?

• A)It is less than w.
• B)It equals w.
• C)It is more than w.
• D)None of the above since the coefficient of kinetic friction is not given.

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Definitions:

Demand Schedule

A table that shows the quantity of a good or service that people will purchase at various prices over a specified period.

Total Revenues

The total income received by a firm from its sales of goods or services, calculated by multiplying the selling price by the quantity sold.

Income Elasticity

A measure of how the demand for a good or service changes with a change in the consumer's income.

Price Elasticity

A measure of how much the quantity demanded of a good responds to a change in its price, with high elasticity indicating greater responsiveness.