An Atomic Force Microscope Consists of a Cantilever with a Very

question 63

Multiple Choice

An Atomic Force Microscope consists of a cantilever with a very fine tip on one end.The lever is driven by a piezoelectric motor allowing the tip to scan a surface on an atomic scale.As it scans the surface what is the main frictional force between the tip and the surface?

• A)static
• B)kinetic
• C)rolling
• D)all three
• E)there is no frictional force

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Definitions:

Debit Balance

The sum remaining in an account after all debts have been subtracted from the total credits, indicating an excess of debits over credits.

Credits

Accounting entries that increase liabilities or equity or decrease assets, reflecting the sources of funding or income.

Trial Balance

A bookkeeping worksheet in which the balances of all ledgers are compiled into debit and credit account columns to check the accuracy of financial recordings.

Journal Entries

Records of financial transactions entered into an accounting system, ensuring that the debits equal the credits in financial accounting records.