Syvum Home Page

Home > Quiz Games > Physics >

School Physics Quiz : Work & Energy


Answer the following questions based on work & energy.

Formats Info Page Quiz Review
Multiple choice

Your Performance  

1.

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

  True

  False

 

2.

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

  chemical

  mechanical

  nuclear

  Half-n-half Clue  
 

3.

A boy throws a ball vertically upwards from ground level. If the ball reaches a maximum height of 160 m and the gravitational acceleration is 9.8 m/s2, with what speed did the boy throw the ball?

  8 m/s

  28 m/s

  56 m/s

  40 m/s

  Half-n-half Clue  
 

4.

If an engine does 800 J of work in 10 seconds, its average power is

  790 W

  810 W

  80 W

  8000 W

  Half-n-half Clue  
 

5.

The SI unit of power is

  Joule

  Volt

  Watt

  Half-n-half Clue  
 

6.

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

  Law of Conservation of Matter

  Law of Conservation of Electric Charges

  Law of Conservation of Energy

  Half-n-half Clue  
 

7.

A mass of 4 kg is raised through a vertical distance of 20 m. If the gravitational acceleration is 9.8 m s-2, then the potential energy gained by the mass is

  196 J

  784 J

  39.2 J

  80 J

  Half-n-half Clue  
 


 
36 more pages in School Physics Quiz


Contact Info © 1999-2015 Syvum Technologies Inc. Privacy Policy Disclaimer and Copyright
Previous
-
Next
-