CK-12 Foundation
Ck 12: Interactive Physics for High School
This digital textbook covers core physics concepts and includes interactive features, real world examples, videos, and study guides.
OpenStax
Open Stax: Collisions of Extended Bodies in Two Dimensions
From a chapter on Rotational Motion and Angular Momentum in a Physics textbook. This section of the chapter examines collisions of rotating objects in two dimensions and what happens at the point of collision. Includes examples,...
Texas Instruments
Texas Instruments: Circular Motion
In UCM, the net force called Fc is equal to mv2/r and is directed toward the center. This is demonstrated by an object that is suspended by a string and is moving in a circular path which makes a conical pendulum. In this experiment, you...