The Planets Never Travel in a Straight Line as They

question 51

Multiple Choice

The planets never travel in a straight line as they orbit the Sun.According to Newton's second law of motion,this must mean that

• A)the planets are always accelerating.
• B)the planets have angular momentum.
• C)the planets will eventually fall into the Sun.
• D)a force is acting on the planets.

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Definitions:

N-butyl Iodide

An organic compound with the chemical formula CH3(CH2)3I, used in organic synthesis.

Carbocation

A positively charged ion (cation) in which the charge is on a carbon atom, often an intermediate in organic reactions.

Carbanion

An organic ion in which a carbon atom has three bonds and bears a negative charge, often an intermediate in organic reactions.

Free Radical

Highly reactive atoms or molecules with unpaired electrons, involved in a variety of chemical processes including polymerization and combustion.