About This Chapter
How It Works:
- Identify the lessons in Prentice Hall Physical Science's Motion chapter with which you need help.
- Find the corresponding video lessons within this companion course chapter.
- Watch fun videos that cover the motion topics you need to learn or review.
- Complete the quizzes to test your understanding.
- If you need additional help, rewatch the videos until you've mastered the material or submit a question for one of our instructors.
Students will learn:
- Inertial and non-inertial frames of reference
- Ways to describe the state of motion
- How to solve projectile motion problems
- How to interpret graphs of motion
- Position vs. time graphs of motion
- The difference between distance and displacement
- How to calculate acceleration
- The distinction between speed and velocity
- Formulas for finding speed and velocity
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1. Inertial Frame of Reference: Definition & Example
Learn how to tell the difference between an inertial frame of reference and a non-inertial frame of reference. Then find out what these frames of reference have to do with Newton's first law and fictional forces.
2. State of Motion and Velocity
An object's state of motion describes how it is moving. But there are many ways we can describe motion, such as speed and velocity. This motion is relative to other objects around it, such as the earth, the sun, and even other stars in our galaxy.
3. 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.
4. Understanding Graphs of Motion: Giving Qualitative Descriptions
You can just look at graphs of straight line motion and accurately describe how that object is moving. In this lesson, we will investigate the basic shapes the graphs can take and what conclusions you can draw from these shapes.
5. Using Position vs. Time Graphs to Describe Motion
Describing motion with graphs can be a simple, yet powerful tool in your physics arsenal. In this lesson, we begin by looking at the basic position vs. time graph.
6. Distance and Displacement in Physics: Definition and Examples
Distance and displacement might seem like similar terms but in physics, understanding the difference can mean getting a question right instead of wrong. In this lesson, we will define these terms and illustrate how easy it is to confuse the two.
7. 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.
8. Determining the Acceleration of an Object
Acceleration is a change in an object's state of motion. A few variables need to be identified to calculate an object's acceleration, but once we have those values, we can put them into a simple equation to find out how quickly or slowly an object's velocity is changing.
9. Speed and Velocity: Difference and Examples
Is it possible to drive with a speed of 100 mph but a velocity of 0? In this lesson, we will examine the difference between speed and velocity and use that information to answer this question.
10. 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.
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Other chapters within the Prentice Hall Physical Science: Online Textbook Help course
- Chapter 1: Science Skills
- Chapter 2: Properties of Matter
- Chapter 3: States of Matter
- Chapter 4: Atomic Structure
- Chapter 5: The Periodic Table
- Chapter 6: Chemical Bonds
- Chapter 7: Chemical Reactions
- Chapter 8: Solutions, Acids, and Bases
- Chapter 9: Carbon Chemistry
- Chapter 10: Nuclear Chemistry
- Chapter 12: Forces and Motion
- Chapter 13: Forces in Fluids
- Chapter 14: Work, Power, and Machines
- Chapter 15: Energy
- Chapter 16: Thermal Energy and Heat
- Chapter 17: Mechanical Waves and Sound
- Chapter 18: The Electromagnetic Spectrum and Light
- Chapter 19: Optics
- Chapter 20: Electricity
- Chapter 21: Magnetism