CK-12 Foundation
Ck 12: Angular Momentum
[Free Registration/Login may be required to access all resource tools.] In this online lesson students will begin to understand what is meant by a rigid body. Learn what torque is and how to use it in solving problems.
Learn Engineering
Learn Engineering: Understanding Degrees of Freedom
Explores how to predict degrees of freedom of a mechanism. Understand that in mechanics degrees of freedom is one of the most important concepts. Video length: 4 min. 41 sec.