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A force of 7 N acts on an object. The di...

A force of 7 N acts on an object. The displacement it, say 8m, in the direction of the force. Let us take it that the force acts on the object through the displacement. What is the work done in this case?

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R G PUBLICATION-WORK AND ENERGY-EXAMPLE
  1. A force of 7 N acts on an object. The displacement it, say 8m, in the ...

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  2. When do we say that work is done?

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  3. Write an expression for the work done when a force is action on an obj...

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  4. Define 1 J of work.

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  5. A pair of bullocks exerts of force of 140 N on a plough, The field bei...

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  6. What is the kinetic energy of an object?

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  7. Write an expression for the kinetic energy of an object.

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  8. The kinetic energy of an object of mass, m moving with a elocity of 5 ...

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  9. What is power?

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  10. Define 1 watt of power.

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  11. A lamp consumes 1000J of electrical energy in 10s. What is the power?

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  12. Define average power.

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  15. Certain force acting on a 20 kg mass changes its velocity from 5 m s^-...

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  16. A mass of 10 kg is a point A on a table. It is moved to a point B. If ...

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

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  18. What are the various energy transformations that occur when you are ri...

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

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  20. A certain household has consumed 250 units of energy during a month. H...

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