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School Physics Quiz : Work & Energy


Answer the following questions based on work & energy.

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Multiple choice

Your Performance  

1.

By definition, work is done when a _______ moves through a distance.

  force

  pressure

  mass

  Half-n-half Clue
 

2.

The energy acquired by a body because of its motion is called potential energy.

  True

  False

 

3.

The SI unit of power is

  Volt

  Joule

  Watt

  Half-n-half Clue
 

4.

If an engine does 512 J of work in 8 seconds, its average power is

  64 W

  520 W

  504 W

  4096 W

  Half-n-half Clue
 

5.

Both work and heat are measured in Joules.

  True

  False

 

6.

A carton is pulled along the ground for a distance of 6 m. If the average frictional force is 78 N, then the work done is

  468 J

  2808 J

  6 J

  78 J

  Half-n-half Clue
 

7.

The energy losses from machines are mostly dissipated as sound energy.

  True

  False

 


 
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