Work And Energy Vocabulary

Question 0

Efficiency:

Answer 0

Ratio of the output work done by the machine to the input work done on the machine, expressed as a percentage

Question 1

Work:

Answer 1

Transfer of energy when a force is applied over a distance; measured in joules

Question 2

Mechanical Advantage:

Answer 2

Ratio of the output force exerted by a machine to the input force applied to the machine

Question 3

Energy:

Answer 3

The ability to cause change, measured in joules

Question 4

System:

Answer 4

A region or set of regions around which a boundary can be defined

Question 5

Kinetic Energy:

Answer 5

Energy moving object has because of its motion; determined by the mass and speed of the object

Question 6

Potential Energy:

Answer 6

Energy that is stored due to the interactions between objects

Question 7

Elastic Potential Energy:

Answer 7

Energy that is stored by compressing or stretching an object

Question 8

Chemical Potential Energy:

Answer 8

Energy that is due to chemical bonds

Question 9

Gravitational Potential Energy:

Answer 9

Energy that is due to the gravitational force between objects

Question 10

Law of Conservation of Energy:

Answer 10

States that energy cannot be created or destroyed