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School Physics Quiz : Work & Energy


Answer the following questions based on work & energy.

Formats Info Page Quiz Review
Multiple choice

Your Performance  

1.

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

  nuclear

  chemical

  mechanical

  Half-n-half Clue
 

2.

Both work and heat are measured in Joules.

  True

  False

 

3.

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

  True

  False

 

4.

_______ is the capacity to do work.

  Energy

  Pressure

  Force

  Half-n-half Clue
 

5.

If there is no friction, the efficiency of a machine can be greater than 100 %.

  True

  False

 

6.

'Energy can neither be created nor destroyed' is a statement of the

  Law of Conservation of Energy

  Law of Conservation of Matter

  Law of Conservation of Electric Charges

  Half-n-half Clue
 

7.

A body loses 4116 J of potential energy in falling through 60 m. If the gravitational acceleration is 9.8 m s-2, then the body has a mass of

  588 kg

  69 kg

  7 kg

  420 kg

  Half-n-half Clue
 


 
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