Work and Energy – NFE

The work done by gravity on an object moving horizontally on a frictionless surface is:

 
 
 
 

Hydroelectric power plants convert:

 
 
 
 

Work is said to be done when:

 
 
 
 

The ability to do work is called:

 
 
 
 

The work done against friction is converted into:

 
 
 
 

Which of the following is NOT a unit of energy?

 
 
 
 

A moving object has:

 
 
 
 

Which of the following has the greatest power output?

 
 
 
 

If the velocity of an object is tripled, its kinetic energy becomes:

 
 
 
 

Which of the following best defines efficiency?

 
 
 
 

Question 1 of 10

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