PHYSICS 1.1 ENERGY CHANGES IN A SYSTEM Flashcards
1
Q
When a system is in equilibrium
A
Nothing happens
2
Q
Open system
A
Allows the exchange of energy and matter to or from its surroundings
3
Q
Close system
A
Can exchange energy but not matter to or from its surroundings
4
Q
Isolated System
A
Does not allow the transfer of matter or energy to or from its surroundings
5
Q
For a closed system, the total amount of energy is
A
constant
6
Q
Kinetic store
A
Moving objects have energy in their kinetic store
7
Q
Gravitational
A
Objects gain energy in their gravitational potential store when they are lifted through a gravitational field
8
Q
Elastic
A
Objects have energy in their elastic potential store if they are stretched, squashed or bent
9
Q
A
