Galileo said that if you rolled a ball along a level surface it would
A)slow down due to its natural tendency to come to rest.
B)keep rolling without slowing down if no friction acted upon it.
C)roll as long as its inertia nudged it along.
D)eventually roll in the opposite direction.

Question

Quizplus · Accepted Answer

Galileo's law of inertia states that an object in motion will remain in motion unless acted upon by an external force. Therefore, if no friction acts upon a ball rolling on a level surface, it will continue to move at a constant speed without slowing down.

Galileo Said That If You Rolled a Ball Along a Level