Power measures the speed of work done that is, how fast or slow work is done. Power is defined as the rate of doing work or the rate of transfer of energy with respect to time. If an agent does a work ( W ) in time ( t ) then power is given by: Power = work time .

SCIENCE TEXTBOOK FOR CLASS IX>Chapter 11 - Work and Energy>Questions

NCERT Solutions for Chapter: Work and Energy, Exercise 4: Questions

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NCERT Science Solutions for Exercise - NCERT Solutions for Chapter: Work and Energy, Exercise 4: Questions

Attempt the practice questions on Chapter 11: Work and Energy, Exercise 4: Questions with hints and solutions to strengthen your understanding. SCIENCE TEXTBOOK FOR CLASS IX solutions are prepared by Experienced Embibe Experts.