In a Wind Tunnel the Pressure on the Top Surface

question 35

Multiple Choice

In a wind tunnel the pressure on the top surface of a model airplane wing is 8.8 *104 N/m and the pressure on the bottom surface is 9.0 * 104 N/m². If the area of the top and bottom surfaces of each wing is 2.0 m², what is the total lift on the model airplane?

• A)2.0 *103 N
• B)8.0 * 103 N
• C)1.6 * 104 N
• D)3.6 * 104 N
• E)1.0 * 103 N

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Definitions:

Debit Balance

A balance occurring when the sum of debits in an account exceeds the sum of credits.

Credits

Accounting entries that can either decrease assets or increase liabilities and equity on a company's balance sheet.

Debits

In accounting, an entry recorded on the left side of a double-entry bookkeeping system that increases an asset or expense account, or decreases equity, liability, or revenue accounts.

Debit

A debit is a bookkeeping entry that leads to an increase in a company's assets or expenses or a reduction in its liabilities or equity on the balance sheet.