About This Chapter
Force & Pressure - Chapter Summary
Check out the interesting lessons in this chapter to refresh your memory on concepts related to force and pressure, such as the definition of simple machines and torque. The multiple-choice self-assessment quizzes will give you an idea of how much of the information you're able to recall. Other subjects in this chapter include:
- Ways to identify the individual forces on an object
- Definition and conversions of pressure
- Equation of hydrostatic pressure
- Explanation of fluid mass and flow rate
Our lessons use engaging animations and humor to help you review the information without it feeling like a chore. Skip to any subjects you like within the videos by utilizing the timeline tags. Take a look at the lesson transcripts to find key terms and summaries.
1. Pressure: Definition, Units, and Conversions
Have you ever wondered what pressure is and how it gets measured? In this lesson, we are going to define pressure and explain some of the units that are used to express measurements of pressure.
2. Hydrostatic Pressure: Definition, Equation, and Calculations
This video lesson will introduce you to hydrostatic pressure in a liquid, as well as provide examples for how to calculate the liquid's pressure at a given depth.
3. Fluid Mass, Flow Rate and the Continuity Equation
Fluids rarely stay put, so we need to understand how they move. In this lesson, you will learn about how the movement of fluids is influenced by the space it passes through, as well as see examples of how to calculate aspects of this movement.
4. 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.
5. What is Torque? - Definition, Equation & Calculation
You've probably heard of torque before, maybe while discussing cars. Now learn what it really is, and what it has to do with rotational equilibrium. Then, work through an example problem that combines the two.
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Other chapters within the GACE Science (524): Practice & Study Guide course
- Basics of Scientific Inquiry
- Historical Developments in Science
- Scientific Data Collection & Manipulation
- Data & Statistics
- Energy Resources
- Science & Technology in Daily Life
- Science & Public Health Issues
- Organization of Matter
- Atoms & Moles
- Energy & Matter
- Chemical Bonding
- The Periodic Table
- Chemical Reactions
- Equilibrium & Common Chemical Reactions
- Dimensions of Motion in Physics
- Newton's Laws in Physics
- Waves, Sound, and Light
- Cell Structure & Function
- Cell Growth & The Process of Cell Division
- Biochemistry of Life
- Evolution: Theories and Principles
- Organism Characteristics
- Introduction to Plant Biology
- Human Anatomy
- Population & The Environment
- Atmospheric Sciences
- Understanding Ecosystems
- Minerals and Rocks
- Weathering and Erosion
- Earth's Spheres and Internal Structure
- Plate Tectonics
- Geologic Time
- Water Balance
- Glaciers, Lakes, Rivers & Other Bodies of Water
- The Atmosphere of Earth
- Weather and Storms
- The Solar System: Layout, Formation & Dating
- The Earth, Sky, and Moon
- The Moon: Formation & Phases
- Origins & Theories of the Universe
- GACE Science Flashcards
- Laboratory Equipment and Procedures