The Two Arms of a U-Tube Are Not Identical, One

question 49

Multiple Choice

The two arms of a U-tube are not identical, one having twice the diameter of the other.A cork in the narrow arm requires a force of 16 N to remove it.The tube is filled with water and the wide arm is fitted with a piston.The minimum force that must be applied to the piston to push the cork out is:

• A)4 N
• B)8 N
• C)16 N
• D)32 N
• E)64 N

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Definitions:

Farm Share

The portion of the final retail price of agricultural products that goes back to the farmers.

U.S. GDP

U.S. Gross Domestic Product reflects the total monetary or market value of all the finished goods and services produced within the United States' borders in a specific time period.

Income Inelastic

A characteristic of a good whose demand does not significantly change as the income of consumers changes.

Price Inelastic

Describes a situation in which the demand for a good or service is relatively unresponsive to changes in price.