Conservation and dissipation of energy Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

Work done

A

Energy is transferred

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

Conservation of energy law

A

Energy cannot be created or destroyed, it can only be transferred from one form to another

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

Gravity

A

Force of attraction between 2 objects

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

Kinetic

A

Energy it possesses due to its motion

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

What happens to an objects kinetic energy as it rises?

A

converts into gravitational potential engery

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

What happens to an objects GPE as it falls?

A

Converts into kinetic energy

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

Conservation of energy principle

A

Energy can transfer usefully, stored or dissipated, but never created or destroyed

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

What are the 8 energy stores?

A
  • thermal
  • kinetic
  • nuclear
  • electrostatic
  • magnetic
  • elastic
  • chemical
  • gravitational potential
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

What does it mean if a system changes?

A

energy has been transferred

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

What is meant by the term ‘closed system’?

A

Neither matter nor energy can enter or leave from the outside world
- overrall energy change is 0

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

What are the 5 ways energy can be transferred

A
  • mechanically
  • electrically
  • heating
  • radiation
How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q
A
How well did you know this?
1
Not at all
2
3
4
5
Perfectly