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Name different types of energy. Give the...

Name different types of energy. Give the unit of energy.

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The different types of energy : Mechanical energy `(E_(p)+E_(k))`, kinetic energy, heat energy, chemical energy, electrical energy, light energy, solar energy, nuclear energy, etc.
The unit of energy is the joule.
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KUMAR PRAKASHAN-WORK AND ENERGY -QUESTION & ANSWER (ANSWER THE FOLLOWING QUESTIONS IN SHORT :)
  1. Four men lift a 250 kg box to a height of 1 m and hold it without rais...

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  2. A boy is moving on a straight road against a frictional force of 5 N. ...

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  3. Name different types of energy. Give the unit of energy.

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  4. A freely falling object eventually stops on reaching the ground. What ...

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  5. Write a suitable reason for heating up of a metal when hit by a fast m...

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  6. The figure show a simple pendulum consisting a bob of mass 100 g. Init...

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  7. Certain force acting on a 20 kg mass changes its velocity from 5ms^(-1...

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  8. An object of mass 16 kg has 3200 J of kinetic energy. What will be its...

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  9. Find the momentum of a body of mass 100 g having kinetic energy 500 J.

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  10. An object of mass, m is moving with a constant velocity v. How much wo...

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  11. Calculate the work required to be done to stop a car of 1500 kg moving...

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  12. Can kinetic energy be negative? Why?

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  13. Give any four illustrations of the kinetic energy.

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  14. An object of mass 40kg is raised to a height of 5 m above the ground. ...

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  15. What are the various energy trans-formations that occur when you are ...

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  16. Does the transfer of energy take place when you push a huge rock with ...

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  17. The potential energy of a freely falling object decreases progressivel...

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  18. A battery lights a bulb. Describe the energy changes involved in the p...

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  19. A person holds a bundle of hay over his head for 30 minutes and gets t...

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  20. An electric heater is rated 1500 W. How much energy does it use in 10 ...

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