AP®︎ Physics 1 Unit 2: Notes & Study Guide
Prepare for your quiz, test, or the AP exam with a comprehensive review on Unit 2 of AP Physics 1 – Force and Translational Dynamics.
Unit 2: Force and Translational Dynamics
What causes objects to speed up, slow down, or change direction, built around Newton's three laws and free-body diagrams.
Begin with Topic 2.1: Systems and Center of Mas...To review Unit 2, go through each of the 9 topics below.
Everything you actually need to know for your Unit 2 test, pulled directly from the AP® Physics 1 curriculum.
Systems and Center of Mass
Systems and Center of Mass
- What a System Is in Physics
- The Center of Mass
- How to Find the Center of Mass
Forces and Free-Body Diagrams
Forces and Free-Body Diagrams
- What a Force Is
- Types of Forces You Must Recognize
- Newton’s Third Law and Force Pairs
Newton’s Third Law
Newton’s Third Law
- Newton’s Third Law
- Internal Forces and the Center of Mass
- Tension in Strings, Cables, and Chains
Newton’s First Law
Newton’s First Law
- What Newton’s First Law Says
- Net Force and Translational Equilibrium
- Balanced vs Unbalanced Forces
Newton’s Second Law
Newton’s Second Law
- When Velocity Changes
- Balanced vs. Unbalanced Forces
- Net External Force and the System
Gravitational Force
Gravitational Force
- Newton’s Law of Universal Gravitation
- Gravitational Field and Weight
- Apparent Weight and Acceleration
Kinetic and Static Friction
Kinetic and Static Friction
- What Friction Is
- The Normal Force and Coefficients of Friction
- Static vs. Kinetic Friction
Circular Motion
Circular Motion
- What Circular Motion Is
- The Two Acceleration Components in Circular Motion
- Where the Centripetal Force Comes From
Notes
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