About This Chapter
Mechanics of Physics - Chapter Summary
The field of physics explores and studies the natural world, and to do so requires an understanding of the mechanics of physics, which are the forces, formulas, and other concepts that explain how objects move. The lessons in this chapter elaborate on these individual mechanics, as well as associated laws, contributions from scientists, and related mathematical equations.
You can use this chapter to learn about these topics from the ground up, or if you already know about these topics, use our lessons as a study guide to help you brush up on the important details. Although the lessons have been prepared in a specific order, you are not required to watch them in that order. Each lesson is self-contained, so you can watch the lessons individually. We keep our lessons short and focused on a single main topic, making it easier to navigate your way through the chapter. By the end of this chapter, you should understand:
- The definition of velocity and speed and ways to use formulas to determine them
- How mechanics affect objects
- How Newton's laws explain principles of gravity, mass, and weight
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. 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.
3. 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.
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Other chapters within the Science 101: Intro to Natural Sciences course
- Atomic Structure
- Fundamentals of Matter
- Introduction to Thermodynamics
- Introduction to Relativity
- Fundamentals of Electricity
- Introduction to Magnetism
- Fundamentals of Waves, Sound and Light
- Space, The Solar System and the Universe
- Introduction to Atmospheric Science
- Geology Basics
- Introduction to Molecular Biology
- Cell Biology Fundamentals
- Introduction to Biochemistry
- Molecular Genetics Overview
- Cell Processes
- Plant Biology Foundations
- Human Anatomy Overview
- Animal Reproduction, Growth and Development
- Fundamentals of Genetics
- Introduction to Ecology
- Basics of Evolution
- The Origin and History of Life On Earth
- Phylogeny and the Classification of Organisms
- Studying for Science 101