Work and Energy

Complete explaination of chapter work and energy class 9th science. Work, mechanical energy, potential energy, kinetic energy, interconversion of different forms of energy. Law of conservation of energy, conservation of energy by a pendulum. Conservation of energy in a falling stone, power, watt, joule, kilowatt. 1 joule work, 1 joule energy, 1 watt power, comercial unit of energy,

Introduction to Work and Energy (00:00:00)
Definition of Scientific Work (00:00:27)
Positive, Negative, and Zero Work (00:02:06)
SI Units of Work (00:03:00)
Definition of Energy (00:06:10)


Types of Mechanical Energy: Potential and Kinetic (00:06:52)
Derivation of Potential and Kinetic Energy (00:09:22)
Law of Conservation of Energy (00:14:47)
Power and its Units (00:24:17)
Calculation of Electricity Bills (00:27:38)
Key Takeaways:

"Work is done when there is displacement upon the application of force." (00:00:40)
"Energy is the capacity to do work." (00:06:10)
"The work done is equal to the change in kinetic energy." (00:09:10)
"The Law of Conservation of Energy states that the total energy in a closed system remains constant." (00:14:47)
"Power is defined as the rate of doing work." (00:24:31)
"One kilowatt-hour equals 3.6 million joules." (00:27:13)

👉👉Chapters created by podcast.dhwani.io