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Define 1 J of work....

Define 1 J of work.

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1 J is the amount of work done on an object when a force of 1 N displaces it by 1 m along the lineof action of the force.
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PRADEEP-WORK AND ENERGY-NCERT Questions
  1. When do we say that work is done ?

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  2. Write an expression for the work done when a force is acting on an obj...

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  3. Define 1 J of work.

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  4. A pair of bullocks exerts of work done on an onject when a force of 1 ...

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  5. What is the kinetic energy of an object ?

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  6. Write an expression for kinetic energy of an object.

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  7. The kinetic energy of an object of mass m moving with a velocity of 5 ...

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  8. What is power ?

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  9. Define 1 W of power.

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  10. A lamp consumes 1000 J of electrical energy is 10 s. What is its power...

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  11. Define avarage power.

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  12. Look at the activites listed below. Reason out whether or not work is ...

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  13. An object thrown at a certain angle to the ground moves in a curved pa...

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

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

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

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

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

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  19. Does the transfer of energy take palce 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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