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

Question

Quizplus · Accepted Answer

Newton's second law states that a force is required to cause an object to accelerate, and since the planets are not traveling in a straight line, this means that a force must be acting on them.

The Planets Never Travel in a Straight Line as They