The Bernoulli Effect Is Responsible for the Lift Force on an Airplane

question 14

Multiple Choice

The Bernoulli effect is responsible for the lift force on an airplane wing.Wings must therefore be designed so as to insure that

• A)air molecules will be deflected downward when they hit the wing.
• B)air molecules will be deflected upward when they hit the wing.
• C)air molecules move more rapidly past the upper surface of the wing than past the lower surface.
• D)air molecules move more rapidly past the lower surface of the wing than past the upper surface.
• E)wings are thick enough to create a significant pressure difference between the top and bottom surfaces of the wings because of the different heights of these surfaces.

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Definitions:

Cost Conditions

The factors affecting the cost of production or providing services, including raw materials, labor, and overhead expenses.

EBIT

A financial metric that measures a firm's profit from its usual business operations, essentially its earnings before deducting interest and taxes.

EBIT-EPS Analysis

A tool used in financial analysis to determine the impact of leverage on a company's earnings per share (EPS) by holding earnings before interest and taxes (EBIT) constant.

Leverage Levels

The degree to which a business or investor is utilizing borrowed money.