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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.

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

  True

  False

 

2.

If an engine does 609 J of work in 7 seconds, its average power is

  602 W

  87 W

  4263 W

  616 W

  Half-n-half Clue
 

3.

A carton is pulled along the ground for a distance of 6 m. If the average frictional force is 59 N, then the work done is

  59 J

  354 J

  6 J

  2124 J

  Half-n-half Clue
 

4.

When a current is supplied by a battery, _______ energy is converted to electrical energy.

  nuclear

  mechanical

  chemical

  Half-n-half Clue
 

5.

Kinetic energy of a body in motion equals the product of half its mass and the square of its _______

  velocity

  acceleration

  distance

  Half-n-half Clue
 

6.

Power is the rate of doing work.

  True

  False

 

7.

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

  mass

  pressure

  force

  Half-n-half Clue
 

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