About This Chapter
How it works:
- Begin your assignment or other GED science work.
- Identify the mechanics concepts that you're stuck on.
- Find fun videos on the topics you need to understand.
- Press play, watch and learn!
- Complete the quizzes to test your understanding.
- As needed, submit a question to one of our instructors for personalized support.
Who's it for?
This chapter of our GED science tutoring solution will benefit any student who is trying to learn mechanics and earn better grades. This resource can help students including those who:
- Struggle with understanding speed and velocity, acceleration, Newton's laws, simple machines or any other mechanics topic
- Have limited time for studying
- Want a cost effective way to supplement their science learning
- Prefer learning science visually
- Find themselves failing or close to failing their mechanics unit
- Cope with ADD or ADHD
- Want to get ahead in GED science
- Don't have access to their science teacher outside of class
Why it works:
- Engaging Tutors: We make learning mechanics simple and fun.
- Cost Efficient: For less than 20% of the cost of a private tutor, you'll have unlimited access 24/7.
- Consistent High Quality: Unlike a live GED science tutor, these video lessons are thoroughly reviewed.
- Convenient: Imagine a tutor as portable as your laptop, tablet or smartphone. Learn mechanics on the go!
- Learn at Your Pace: You can pause and rewatch lessons as often as you'd like, until you master the material.
- Become familiar with the formulas related to speed and velocity.
- Learn how to calculate acceleration.
- Explain the impact of mechanics on objects.
- Describe Newton's first, second and third laws of motion.
- Understand the significance of the law of universal gravitation.
- Define simple machines.
1. 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.
2. 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.
3. 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.
4. Newton's First Law of Motion: Examples of the Effect of Force on Motion
This lesson describes Newton's first law of motion, also known as the law of inertia. The interaction between force and motion is explained. Several examples are used to discuss the implications of this law on earth and in space.
5. Newton's Second Law of Motion: The Relationship Between Force and Acceleration
This lesson defines Newton's second law of motion. Examples are used to illustrate how unbalanced forces cause objects to accelerate. The examples are used to practice calculating acceleration and force for objects in motion.
6. Newton's Third Law of Motion: Examples of the Relationship Between Two Forces
This lesson describes Newton's third law of motion. Examples are provided to illustrate how interacting objects experience forces. The lesson explains how objects accelerate as a result of force. Applications of Newton's third law are illustrated in nature, machines, and space.
7. Newton's Laws and Weight, Mass & Gravity
Did you know that mass and weight are not the same? This lesson describes the difference between the two as well as the effect of gravity on weight. Examples are used to teach you how to calculate weight based on mass and acceleration of gravity.
8. The Law of Universal Gravitation: Definition, Importance & Examples
Gravity is what pulls us toward Earth, but it's also what pulls Earth toward us. This is explained by the law of universal gravitation, which describes how all objects in the universe have this important force between them.
9. What Are Simple Machines? - Definition, Types & Examples
If you need to move or lift a heavy object, it would be wise to use a simple machine. Though these devices are far from fancy or high-tech, they are extremely helpful for getting work done.
10. What is a Compound Machine? - Definition & Examples
In this lesson, you will learn how to identify simple machines. In addition, you will learn what differentiates a simple machine from a compound machine. Several examples of compound machines will also be discussed.
11. Acceleration: Definition & Concept
In this lesson, you will learn about the concept of acceleration, which is a measure of how fast your velocity or speed is changing. You will also see examples and graphs that will help you understand the concept of acceleration.
12. Angular Momentum Quantum Number: Definition & Example
Electrons in an atom occupy regions known as orbitals, and these orbitals have shapes. In this lesson, we will discuss the secondary quantum number: the angular momentum quantum number, which determines the shape of an orbital.
13. Archimedes' Principle: Definition, Formula & Examples
Archimedes' principle deals with the forces applied to objects by the fluids around that object. This applied force reduces the net weight of any object in a fluid, whether it be a liquid or a gas.
14. Calculating Acceleration Due to Gravity: Formula & Concept
You have no doubt seen gravity work in your life. After all, it is the force that keeps your feet on the ground! This lesson explores the acceleration a body experiences due to gravity and provides details of the mechanics behind it.
15. Centripetal Acceleration: Definition, Formula & Example
In this lesson, you will learn the meaning of the term centripetal acceleration, an equation to calculate it, and an example of how to use the equation. A short quiz will follow.
16. Introduction to Constant Acceleration
The most useful type of motion in physics is that of constant acceleration. In this lesson you will learn about constant acceleration, why it is important, and an example of motion that undergoes constant acceleration.
17. Constant Velocity: Definition, Equation & Examples
In this lesson you will learn the definition of constant velocity, its important properties, and the equation that represents it. You will also see examples or applications of constant velocity.
18. Impulse: Definition, Equation, Calculation & Examples
In this lesson you will learn about the concept of impulse and how you can apply it to a variety of interesting situations. You will learn about the relationship between impulse and momentum and how to calculate impulse through a variety of examples.
19. What Is Gravity? - Definition & Equation
In this video, you'll learn about the force of gravity and why what goes up must also come down. You'll also learn about the equation for determining the gravitational force between two objects and the rate at which objects accelerate toward Earth.
20. What is Momentum? - Definition, Equation, Units & Principle
People talk about momentum all the time; now you can discover what that word really means. Then learn about the principle of conservation of momentum and what it has to do with objects colliding.
21. What is Motion? - Definition & Laws
Motion is the act of moving and plays a huge role in the study of physics. This lesson walks through important terms and the laws of motion that guide the study of motion.
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