A U-Tube Has Dissimilar Arms, One Having Twice the Diameter

question 9

Multiple Choice

A U-tube has dissimilar arms, one having twice the diameter of the other.It contains an incompressible fluid and is fitted with a sliding piston in each arm, with each piston in contact with the fluid.When an applied force does work W in pushing the piston in the narrow arm down, the fluid does work __________ on the piston in the wide arm.

• A)W
• B)2W
• C)W/2
• D)4W
• E)W/4

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Definitions:

Tobacco

A plant whose leaves are dried and fermented before being used in various ways, such as smoking, chewing, or sniffing, often containing nicotine, an addictive substance.

Fight-Or-Flight Response

Physiological changes in the human body that occur in response to a perceived threat, including the secretion of glucose, endorphins, and hormones as well as the elevation of heart rate, metabolism, blood pressure, breathing, and muscle tension.

Physiological Effects

The changes in the normal functioning of the body resulting from various factors, such as disease, substances, or environmental conditions.

Stimulant

A substance that increases levels of physiological or nervous activity in the body, often used to increase alertness or physical performance.