Science Education Resource Center at Carleton College
Serc: Trucking and Thinking Newton's First Law of Motion
In this activity learners simulate the movement of cargo in the bed of a truck in order to experience Newton's first law of motion.
Physics Classroom
The Physics Classroom: Vectors: Forces in Two Dimensions:equilibrium and Statics
Through examples and practice problems, this interactive tutorial helps students understand forces that are in a state of equilibrium with a net force of zero.