The Force of Gravity on a Satellite in Circular Orbit

question 143

Multiple Choice

The force of gravity on a satellite in circular orbit doesn't change its speed because the force is

• A)small compared to other forces on it.
• B)canceled by centrifugal force.
• C)perpendicular to its direction of motion.
• D)very weak due to altitude.

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Definitions:

Tax Bill

The total amount of tax owed by an individual or corporation to a taxing authority, after all deductions, credits, and exemptions.

Take-home Pay

The amount of income left after deductions such as taxes and social security contributions have been subtracted from an individual's gross salary.

Taxes Combined

A calculation that aggregates all applicable taxes (federal, state, local) on an individual or entity's income.

Effective Tax Rate

The average percentage of income paid to the government in taxes, considering all deductions and credits.