P1 Flashcards
1
Q
Name all the energy stores energy can be stored in
A
-chemical energy
-kinetic
Gravitational
Elastic
Thermal
2
Q
How is energy transfered
A
Heating, by waves or by a force
3
Q
What happens when an object falls
A
Its gravitational potential energy store decreases and its kinetic energy store increase
4
Q
What can not be created or destroyed
A
Energy
5
Q
What does conservation of energy apply to
A
All energy changes
6
Q
What is a closed system
A
An isolated system in which no energy transfers take place out of or into the energy stores of the system
7
Q
What increases whe an object moves up
A
Its gravitational energy store
8
Q
What does the energy in the kinetic energy store of a moving object depend on
A
Its mass and its speed
9
Q
What is power
A
Rate of transfer of energy
