9 min read
This study guide covers Newton's First Law of Motion (Inertia). It explains inertia, frames of reference, equilibrium, inertial and gravitational mass, and their relationship. It provides example problems involving these concepts and practice questions for the AP Physics 1 exam. Key equations like F=mg and F=ma are also included.
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Question 1 of 13
A ball is rolling on a frictionless surface. According to Newton's First Law, what will happen to the ball's motion? ⚽
It will gradually slow down and stop
It will continue to move at a constant speed in the same direction
It will speed up
It will change direction