About This Chapter
Understanding Motion - Chapter Summary
There's more to motion than just moving from one place to another, and the lessons in this chapter will show you many of the factors involved. You will learn the definitions of speed, velocity and acceleration and explore the formulas used in calculating them. Other lessons cover different types of motion, such as projectile motion and uniform circular motion. After you have finished working through the lessons, you have the chance to take self-assessment quizzes that give you immediate feedback. By the end of the lessons in this chapter, you should have an understanding of how to do the following:
- Distinguish the difference between speed and velocity
- Recall the formula for acceleration
- Explain the mechanics on objects
- Describe what projectile motion is
- Use different motion equations
- Discover the mathematics behind uniform circular motion
- Describe how to measure the speed of an object
- Contrast gravity and projectile motion
1. What Is Motion? - Definition & Equations
After watching this video, you will be able to explain what motion is and use basic equations of motion to solve problems. A short quiz will follow to test your knowledge.
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. Measuring the Speed of an Object: Physics Lab
After watching this video, you will be able to explain what the speed of an object is and how to calculate it in real life situations. A short quiz will follow.
4. 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.
5. Graphing Accelerating Objects: Physics Lab
After completing this lab, you will be able to explain what acceleration is and collect data to determine the acceleration of an object using graphical methods. A short quiz will follow.
6. Implications of Mechanics on Objects
Forces act on objects causing them to move. Mechanics is the field of science designated to the study of moving objects. This lesson describes how forces act on objects resulting in motion. Examples are used to describe how forces interact resulting in both simple and complex movement.
7. 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.
8. Projectile Motion: Definition and Examples
A projectile is any object that is given an initial velocity and then follows a path determined entirely by gravity. In this lesson, we will introduce projectile motion and touch on a few key facts to keep in mind when working through these problems.
9. Projectile Motion Practice Problems
After watching this video lesson, you will know how to use the sets of equations that are used to solve projectile motion problems. Learn how to manipulate them to find the answer you need.
10. Graphing the Motion of Objects: Physics Lab
After watching this lesson, you will be able to measure the motion of an object and plot position-time and velocity-time graphs based on your data. A short quiz will follow.
11. Gravity & Projectile Motion: Physics Lab
After watching this video, you will be able to define projectile motion and use the equations of projectile motion to make predictions about motion in a real-life scenario. A short quiz will follow.
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Other chapters within the Physical Science: High School course
- Understanding Matter
- Understanding Gases
- Understanding the Atom & Atomic Structure
- The Periodic Table
- Understanding Chemical Bonding
- Understanding Solutions
- Acids, Bases and Chemical Reactions
- Force, Motion, and Newton's Laws
- Work, Energy, Power, and Thermodynamics
- Waves and Sound in Physical Science
- Light in Physical Science
- Electricity Fundamentals
- The Universe