Forces and Interactions

Air Resistance and Fluid Drag

Common Support Forces: Normal Force and Tension

Free-Body Diagrams and Net Force

Weight and Gravity vs Field Forces

Types of Friction: Static, Kinetic, and Rolling

Balanced vs Unbalanced Forces and Equilibrium

What Is a Force? Pushes, Pulls, and Units

Hooke’s Law and Spring Force

Contact vs Non-Contact Forces