Can the Gravitational Force of Earth Do Positive or Negative

question 24

Multiple Choice

Can the gravitational force of Earth do positive or negative work on a geosynchronous communication satellite, once it is on its circular orbit?

• A) No, because the satellite has zero acceleration.
• B) No, because the force is always perpendicular to the orbital path.
• C) Yes, because centripetal forces always do positive work.
• D) Yes, because its speed is constant.

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Definitions:

Accounts Payable

Liabilities representing amounts owed to creditors for goods and services received but not yet paid for.

Retired

In accounting and finance, this term often indicates that an asset has been taken out of service or that a debt instrument, like a bond, has been paid off and is no longer in circulation.

Bonds Payable

Bonds payable refers to the amount of money a company owes to holders of its bonds, representing a long-term debt obligation.

Credit Cash

An accounting entry that represents an increase in cash or cash equivalents, indicating funds being added to the company’s assets.