A Rope Is Lying on a Table

question 74

Multiple Choice

A rope is lying on a table. You pick up one end and start raising it with a constant velocity. The force you have to exert on the rope is

• A) equal to the weight of the portion of the rope that is not on the table.
• B) greater than the weight of the portion of the rope that is not on the table.
• C) less than the weight of the portion of the rope that is not on the table but not zero N.
• D) zero N.
• E) Cannot be determined without additional information.

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Definitions:

Market Demand

represents the total demand for a product or service within a market, determined by consumers' willingness and ability to buy at various prices.

Economic Profits

The excess of total revenues over total costs, including both explicit and implicit costs.

Perfectly Competitive

Describes a market structure where numerous small firms compete against each other, and products are considered perfect substitutes.

Average Rate

A mathematical mean or typical value of a set of rates, often used in reference to interest rates, pricing, or other financial statistics.