About This Chapter
MTEL Physics: Work & Energy - Chapter Summary
This chapter's lessons can help you review information on energy, work, power and force as you prepare for the MTEL Physics exam. After completing this chapter's videos and quizzes you should be ready for these types of exam questions:
- Describing the significance of energy in nature
- Listing some characteristics of work
- Explaining work done by a variable force
- Exploring the relationship of kinetic and potential energy
- Citing the effects of conservative forces
- Analyzing the concept of conservation of mechanical energy
- Defining power and showing how it is calculated
Our instructors are professionals who will guide you through each concept, explaining formulas and giving examples to make their points. You'll get the information you need to face the MTEL Physics exam with confidence.
Objectives of the MTEL Physics: Work & Energy Chapter
The MTEL Physics exam is divided into six subareas, and questions on the topics covered in our Work and Energy chapter are in the subarea on energy, momentum and heat transfer. This subarea accounts for 14% of the test's total score.
All questions in this section are multiple-choice, as are the questions in the quizzes that follow each of our video lessons. Our quizzes allow you to assess your knowledge and practice answering questions in this format.
1. What is Energy? - Definition and Significance in Nature
This lesson describes the nature of energy and how it is transferred from one source into another. Additionally, it will describe the significance of energy in natural systems.
2. Work: Definition, Characteristics, and Examples
Pushing a wall all day may feel like work, but unless you get that wall moving you're not doing any work according to the rules of physics. In this video lesson, you'll learn how work is defined as well as how to calculate the amount of work done on an object.
3. Work Done by a Variable Force
Doing work on an object is a simple concept: we apply a certain force over a certain distance. But in real life, that force is rarely constant. Therefore, we need to understand variable forces and be able to calculate them accurately.
4. Kinetic Energy to Potential Energy: Relationship in Different Energy Types
This video defines and describes kinetic and potential energy. You'll learn how different types of energy can be classified as potential and kinetic. You'll also find out how kinetic and potential energy are transformed.
5. Conservative Forces: Examples & Effects
Learn how to tell if a force is conservative and what exactly is being conserved. Then look at a couple of specific examples of forces to see how they are conservative.
6. What is Mechanical Energy? - Definition & Examples
In physics, energy is how work gets done. This video describes one important type of energy, mechanical energy, and provides examples of both kinetic and potential mechanical energy.
7. Conservation of Mechanical Energy
Energy comes in many forms and for any system can never be created or destroyed. This holds true for mechanical energy, which also obeys this law of conservation of energy. In this video lesson, you'll explore how mechanical energy is converted or transferred between forms and objects.
8. 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.
9. Power: Definition and Mathematics
Work involves moving an object with a force, but power tells us how quickly that work is done. In this lesson, you will learn about how power depends on both work and time as well as see examples of how to calculate power.
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Other chapters within the MTEL Physics (11): Practice & Study Guide course
- MTEL Physics: Scientific Research Overview
- MTEL Physics: Interpreting & Analyzing Scientific Data
- MTEL Physics: Physics Lab Safety
- MTEL Physics: Historical & Contemporary Relationships in Science
- MTEL Physics: Understanding Vectors
- MTEL Physics: Force & the Laws of Motion
- MTEL Physics: Rotational Motion, Collisions & Conservation
- MTEL Physics: Laws of Gravitation
- MTEL Physics: Fluid Mechanics
- MTEL Physics: Linear & Angular Momentum
- MTEL Physics: Principles of Thermodynamics
- MTEL Physics: Electrostatics
- MTEL Physics: Circuits
- MTEL Physics: Electromagnetism
- MTEL Physics: Oscillations & Wave Motion
- MTEL Physics: Sound Waves & Principles of Acoustics
- MTEL Physics: Electromagnetic Waves
- MTEL Physics: Light, Mirrors & Lenses
- MTEL Physics: Atomic Nature of Matter & Relativity
- MTEL Physics: Quantum Theory
- MTEL Physics: Radioactive Decay & Nuclear Reactions
- MTEL Physics Flashcards