Introduction
Welcome to Atom Education: Physics 101
How This Course Is Organized
What Is Physics?
The Scientific Method
Units and Measurement
The International System of Units (SI)
Unit Prefixes
Unit Conversion
Significant Figures
Scalars and Vectors
How to Get the Most Out of This Course
Kinematics: Describing Motion
Position, Distance, and Displacement
Speed and Velocity
Acceleration
The Kinematic Equations (Constant Acceleration)
Worked Example 1: Braking Car
Worked Example 2: Time to Stop
Free Fall
Worked Example 3: Dropped Ball
Motion in Two Dimensions: Projectile Motion
Worked Example 4: Launched Projectile
Key Takeaways
Forces and Newton’s Laws of Motion
What Is a Force?
Newton’s First Law: Inertia
Newton’s Second Law: F = ma
Weight vs. Mass
Newton’s Third Law: Action and Reaction
Common Types of Forces
Free Body Diagrams
Worked Example 1: Box on a Frictionless Floor
Worked Example 2: Box with Friction
Worked Example 3: Block on an Incline
Worked Example 4: Two Blocks Connected by a String (Atwood-style)
Key Takeaways
Work, Energy, and Power
Work
Kinetic Energy
The Work-Energy Theorem
Worked Example 1: Work-Energy Theorem
Potential Energy
Conservation of Mechanical Energy
Worked Example 2: Roller Coaster
Worked Example 3: Compressed Spring Launching a Block
Worked Example 4: Sliding with Friction
Power
Worked Example 5: Power of a Motor
Key Takeaways
Momentum and Collisions
Linear Momentum
Impulse and the Impulse-Momentum Theorem
Worked Example 1: Impulse from a Bat
Conservation of Momentum
Types of Collisions
Worked Example 2: Perfectly Inelastic Collision
Worked Example 3: Elastic Collision
Center of Mass
Key Takeaways
Waves, Sound, and Simple Harmonic Motion
Simple Harmonic Motion (SHM)
Key Quantities in Periodic Motion
Period of a Mass-Spring System
Period of a Simple Pendulum
Worked Example 1: Spring Period
Worked Example 2: Pendulum Length
Waves: The Basics
Wave Quantities
The Wave Equation
Worked Example 3: Wave Speed
Sound Waves
Worked Example 4: Distance to a Lightning Strike
The Doppler Effect
Worked Example 5: Doppler Shift
Key Takeaways
Practices
Practice: Units and Measurement
Practice: Kinematics
Practice: Forces and Newton’s Laws
Practice: Work, Energy, and Power
Practice: Momentum and Collisions
Practice: Waves, Sound, and SHM
Quizzes
Quiz 1: Units and Measurement
2 attempts allowed
Quiz 2: Kinematics
2 attempts allowed
Quiz 3: Forces and Newton’s Laws
2 attempts allowed
Quiz 4: Work, Energy, and Power
2 attempts allowed
Quiz 5: Momentum and Collisions
2 attempts allowed
Quiz 6: Waves, Sound, and SHM
2 attempts allowed
Tests
Test 1: Kinematics and Forces
1 attempt allowed
Test 2: Work, Energy, Power, Momentum, and Collisions
1 attempt allowed
Test 3: Waves, SHM, and Cumulative Review
1 attempt allowed
Final Exam
Physics 101 Final Exam
1 attempt allowed
Closing
Congratulations
What You’ve Learned
Where to Go Next
A Final Note
Atom Education: Physics 101
Learn the physics behind everyday motion — from a dropped ball to a car collision — in one focused course. Six chapters, worked examples, and a full set of practices, quizzes, tests, and a final exam take you from zero to a solid grasp of classical mechanics.
Minimum price
Free!
$19.00
You pay
Author earns
About
About the Course
Atom Education: Physics 101 is a self-contained introductory physics course for anyone with basic algebra and no prior physics background. Across six core chapters, you'll build a working understanding of kinematics, Newton's laws of motion, work and energy, momentum and collisions, and waves and simple harmonic motion — the same foundation taught in college Physics 101 courses. Every chapter is built around worked examples you solve step by step, not just definitions to memorize. Once you've read a chapter, you'll reinforce it with ungraded practice problems, check your understanding with a short quiz, prove mastery on a unit test, and finish the course with a comprehensive final exam. By the end, you'll be able to describe and predict motion, analyze the forces behind it, and apply the great conservation laws of energy and momentum to real situations.
Instructor
About the Instructor
I’m a student and independent researcher with an interest in law, public policy, and education. I created this textbook to make legal concepts easier to understand for students and self-learners who want a clear starting point in law without unnecessary complexity.
Material
Course Material
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