Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Colliding Spheres
This lab activity from the Illinois Institute of Technology lets students investigate the impact of collisions upon the velocity and momentum of the colliding objects. Requires understanding of vectors.
NASA
Nasa: Beginner's Guide to Aerodynamics
This site from NASA provides a graphic depicting Newton's second law. Graphic is accompanied by an explanation. Part of a larger site with additional information on Newton's laws.
Curated OER
A Vector With Components Shadowed
An exceptional tutorial on the topic of vectors that offers many helpful graphics, some of which are interactive.