Core Idea PS2:Motion and Stability: Forces and Interactions
создатель LaWonna Dee Knauf
1. PS2.A:Forces and Motion
1.1. The Push and Pull of objects when they collide.
1.1.1. Change of Speed and Direction
2. PS2.B:Types of Interactions
2.1. Objects exert forces on each other
2.1.1. Electric, magnetic, and gravitational forces
3. PS2.C:Stability and Instability in Physical Systems
3.1. A system can change as it moves in one direction, shifts back and forth,or goes through cyclical patterns
3.1.1. Changes can happen very quickly or very slowly