Question

What is MOST LIKELY the reason the author included a description of Newton's first law of motion?

A
to demonstrate a problem that can interfere with the roller coaster moving smoothly on the hills
B
to show a type of energy that forces a car that is not moving at the top to start going down
C
to describe the reason why a roller coaster car begins to slow down as it ascends up a hill
D
to explain why the roller coaster car keeps moving up the hill despite gravity pulling it down

Answer 1

The most likely reason the author included a description of Newton's first law of motion is to explain why the roller coaster car keeps moving up the hill despite gravity pulling it down. Therefore, the correct answer is D.