Overview
Explore the fundamental concepts of work and power in physics through this comprehensive video lecture. Learn how work relates to energy transfer and force, distinguishing between positive, negative, and zero work scenarios. Delve into the work-energy theorem and understand the concept of power as the rate of work done or energy transferred. Discover practical applications in electrical power, energy measurement using kilowatt-hours, and the physics behind launched roller coasters. Gain a solid foundation in these essential physics principles through clear explanations and examples provided by Khan Academy's expert instructors.
Syllabus
- Intro
- Understanding work
- Positive, negative, and zero work
- Work-energy theorem
- Power
- Electrical power and energy kilowatt-hours
- Launched roller coasters
Taught by
Khan Academy