Page 11 energy stores and systems Flashcards
1
Q
Name all 8 energy stores
A
Thermal, kinetic, gravitational potential, elastic potential, chemical, magnetic, electrostatic, nuclear
2
Q
Energy is transferred mechanically meaning
A
By a force doing work
3
Q
Energy is transferred Electrically meaning
A
Work done by moving charges
4
Q
A system means
A
A single object (eg. the air in a piston) or a group of objects (eg. two colliding vehicles) that your interested in.
5
Q
When a system changes …
A
Energy is transferred
6
Q
Closed systems are systems where
A
Neither matter nor energy can enter or leave
7
Q
The net change in the total energy of a closed system is
A
Always zero
8
Q
Another way of saying work done is
A
Energy transferred
9
Q
Another way of saying thermal energy stores is
A
Internal energy store
