# Ch 8: Circular Motion & Gravitation in Physics: Homeschool Curriculum

### About This Chapter

## Who's it for?

This unit of our High School Physics Homeschool course will benefit any student who is trying to learn about gravitational laws and definitions. There is no faster or easier way to learn about physics. Among those who would benefit are:

- Students who require an efficient, self-paced course of study to learn to apply Newton's law of universal gravitation.
- Homeschool parents looking to spend less time preparing lessons and more time teaching.
- Homeschool parents who need a physics curriculum that appeals to multiple learning types (visual or auditory).
- Gifted students and students with learning differences.

## How it works:

- Students watch a short, fun video lesson that covers a specific unit topic.
- Students and parents can refer to the video transcripts to reinforce learning.
- Short quizzes and a Circular Motion and Gravitation in Physics unit exam confirm understanding or identify any topics that require review.

## Circular Motion and Gravitation in Physics Unit Objectives:

- Learn to understand the concepts of velocity and speed.
- Study Kepler's three laws of planetary motion.
- Explain centripedal force.
- Provide examples of dynamic equilibrium.
- Learn about work as an integral.
- Discuss the gravitational attraction of extended bodies.

### 1. Uniform Circular Motion: Definition & Mathematics

After watching this lesson, you will be able to explain what uniform circular motion is, in terms of both acceleration and forces. You will also be able to use equations for centripetal force and acceleration to solve problems. A short quiz will follow.

### 2. Speed and Velocity: Concepts and Formulas

Did you know that an object's speed and velocity may not be the same? This lesson describes the concepts of speed and velocity relating to objects in motion. We'll look at a specific example to help learn how to calculate both speed and velocity.

### 3. What is Acceleration? - Definition and Formula

This lesson describes the difference between speed, velocity and acceleration. Examples are used to help you understand the concept of acceleration and learn to calculate acceleration with a mathematical formula.

### 4. Equilibrium: Chemical and Dynamic

Learn the definition of chemical equilibrium and how it is dynamic. Discover what the equilibrium constant is and how it shows whether the reaction favors the reactants or products. Learn how chemists designate equilibrium in an equation and how they show the difference in reaction rate.

### 5. Kepler's Three Laws of Planetary Motion

Find out about the interesting life and major contributions of Johannes Kepler. This lesson will also teach you how to find out how long it takes a planet to revolve around the sun!

### 6. Newton's Law of Gravitation: Definition & Examples

This lesson explains how gravity works mathematically and teaches you how to use Newton's Law of Gravitation to solve problems. A short quiz will follow.

### 7. Centripetal Force: Definition, Examples & Problems

After watching this video, you should be able to explain what centripetal force is, identify the centripetal force in a particular situation, and solve problems using the centripetal force equation. A short quiz will follow.

### 8. Gravitational Attraction of Extended Bodies

After watching this lesson, you will be able to explain what an extended body is, understand the derivation for the force of gravity between a point charge and a long, thin bar and solve problems using the result of that derivation.

### 9. Gravitational Potential Energy: Definition, Formula & Examples

In this lesson, you will learn what gravitational potential is, the equation we use to calculate it, and how to use that equation. We'll look at some real-life examples so you can see how it works. A short quiz will follow.

### 10. Work as an Integral

After watching this video, you will be able to solve calculus problems involving work and explain how that relates to the area under a force-displacement graph. A short quiz will follow.

### 11. Elliptical Orbits: Periods & Speeds

After watching this lesson, you will be able to explain what an elliptical orbit is and calculate the period and speed of an object in an elliptical orbit, if given enough information. A short quiz will follow.

### 12. Eccentricity & Orbits of Planets

After watching this lesson, you should be able to explain what eccentricity is and calculate the eccentricity of an orbit given relevant distance measurements. A short quiz will follow.

### 13. Objects Moving in Vertical Circles: Analysis & Practice Problems

After watching this video, you will be able to describe motion of an object moving in a vertical circle and derive and use equations for this motion in problem solving. A short quiz will follow.

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### Other Chapters

Other chapters within the High School Physics: Homeschool Curriculum course

- Introduction to High School Physics: Homeschool Curriculum
- Vectors in Physics: Homeschool Curriculum
- Kinematics in Physics: Homeschool Curriculum
- Newton's Laws in Physics: Homeschool Curriculum
- Work, Energy & Power in Physics: Homeschool Curriculum
- Linear Momentum in Physics: Homeschool Curriculum
- Rotational Motion in Physics: Homeschool Curriculum
- Oscillations in Physics: Homeschool Curriculum
- Electrical Forces and Fields in Physics: Homeschool Curriculum
- Potential & Capacitance in Physics: Homeschool Curriculum
- Direct Current Circuits in Physics: Homeschool Curriculum
- Magnetism in Physics: Homeschool Curriculum
- Waves, Sound & Light - High School Physics: Homeschool Curriculum
- Atomic and Nuclear Physics - High School: Homeschool Curriculum
- Fluid Mechanics in Physics: Homeschool Curriculum
- Thermal Physics & Thermodynamics: Homeschool Curriculum
- Relativity & Quantum Theory: Homeschool Curriculum
- High School Physics - The Universe: Homeschool Curriculum
- Motion - Physics Lab Experiments: Homeschool Curriculum
- Matter & Light - Physics Lab Experiments: Homeschool Curriculum
- Electricity - Physics Lab Experiments: Homeschool Curriculum