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.

Question

Quizplus · Accepted Answer

Newton's second law states that an object will only accelerate if a net force is acting on it. Therefore, the fact that the planets are not traveling in a straight line means that a force must be acting on them, most likely due to the gravitational pull of the Sun.

The Planets Never Travel in a Straight Line as They