Motion is covered in the second chapter of your textbook and covers such topics as how to describe motion, the acceleration of gravity, force and motion, as well as gravitation.
Forces and Motion
Download this interactive simulation demonstrates to better understand force, friction, and force vectors.
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Newton's First Law of motion
Force and Motion by 
Newton's Laws of Motion by Modeling Circular Motion
"This program follows up on the ideas and problems presented in Mechanics in Action by using an amusement park ride to model circular motion. The aim is to introduce and develop the idea of mathematical modeling and show how real-world problems can be solved by a modeling process. Beginning with a review of circular motion, the assumptions that must be made to simplify the problem and set up the circular motion model are examined in a classroom. Analysis is carried out through the use of computer graphics. The result is a thorough solution of the original problem."
Acceleration
"This program defines and demonstrates the concepts of speed, velocity, and acceleration, using basic equations to stress their interrelation. There is also a demonstration of how a variation of Newton’s second law of motion can be used to determine the weight of an object. In addition, the contributions of Galileo and Newton to the understanding of acceleration, gravity, and motion are discussed. "