Physics, asked by haquil, 3 months ago

Please give solving questions of work power and energy for class 9

Answers

Answered by 9dpranjal36037

1

Answer:

1. When is 1 joule of work said to be done ?

2. What is the SI unit of work done and power ?

3. Find the energy in kWh consumed in 10 hours by a machine of power 500 W.

4. When is work said to be done against the force of gravity ?

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