Class 9th chapter 11 Work and Energy part 2 | full chapter explained with easy way | with NOTES

Описание: Work and Energy | Class 9/11 Physics | NCERT Solutions | CBSE Board Exam Prep


In this video, we'll explore the concepts of work and energy, a crucial chapter in Class 9/11 Physics. We'll cover:

Work: Definition, formula (W = F × s × cosθ), and types (positive, negative, zero)
Energy: Kinetic energy (KE = 1/2 mv^2), potential energy (PE = mgh), and types (mechanical, thermal, etc.)
Work-Energy Theorem: Statement and proof
Conservation of Energy: Law and examples
Power: Definition and formula (P = W/t)

Topics Covered:

Work done by a constant force
Kinetic energy and potential energy
Work-energy theorem and conservation of energy
Power and its units

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