TeachEngineering
Teach Engineering: What Is Newton's Third Law?
Students are introduced to Newton's third law of motion, and then learn that engineers apply Newton's third law and an understanding of reaction forces when designing a wide range of creations, from rockets and aircraft to door knobs,...
Other
Nye Thermodynamics: Basic Gas Turbine Theory
Outstanding information (and a lot of it) on gas turbine (jet) engines. Describes the history behind their development and the theory behind their operation. Well written and includes very informative graphics.
Physics Classroom
The Physics Classroom: Vectors: Double Trouble in 2 Dimensions
In this interactive tutorial, analyze two-body problems in which the objects are moving in different directions.
Other
Uc Santa Cruz: Collisions
A physics definition of collisions with examples to illustrate the concept and related links to problems and solutions.
Science and Mathematics Initiative for Learning Enhancement (SMILE)
Smile: Third Law of Motion
This Illinois Institute of Technology site is a lesson plan and lab that utilizes a toy rocket to investigate Newton's third law. Includes directions and practical applications.