Work And Energy Vocab. Flashcards

0
Q

Efficiency

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
1
Q

Work

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

Mechanical Advantage

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Energy

A

The ability to cause change, measured in joules.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

System

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

Kinetic Energy

A

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

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

Potential Energy

A

Energy that is stored due to the interactions between objects.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

Elastic Potential Energy

A

Energy that is stored by compressing or stretching an object.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

Chemical Potential Energy

A

Energy that is due to chemical bonds.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Gravitational Potential Energy

A

Energy that is due to the gravitational force between objects.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

Law of Conservation of Energy

A

States that energy cannot be created or destroyed.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly