Core Idea PS2: Motion and Stability: Forces and Interactions

1. PS2.A: Forces and Motion

1.1. Forces can be measured

1.2. Newtons 2nd Law of Motion

1.3. Force can can an object shape

2. PS2.B: Types of Interactions

2.1. collisions, Gravity, Electromagnetism, strong and weak nuclear interactions

2.1.1. Task

2.1.2. Prerequisites

2.2. Newton’s law of universal gravitation

2.2.1. Task

2.2.2. Prerequisites

2.3. Coulomb’s law

2.3.1. Task

2.3.2. Prerequisites

3. PS2.C: Stability and Instability in Physical Systems

3.1. Internal and External forces on a system

3.2. A system can be static but unstable

3.3. A system can be changing but have a stable repeating cycle of changes,

3.3.1. Energy