energy stores and pathways - physics Flashcards
1
Q
what is energy
A
its what allows things to work and you can measure it
2
Q
6 energy stores
A
chemical store
elastic potential store
kinetic store
gravitational potential store
thermal store
nuclear store
3
Q
unit of energy
A
joule
4
Q
another unit of energy
A
calorie
5
Q
4 pathways
A
force - mechanical transfer of energy
radiation or waves
electricity
heat
6
Q
which energy is associated with an objects movement
A
kinetic
7
Q
which energy store is associated with an object which is compressed
A
elastic
8
Q
kinetic energy store equation
A
1/2 x mass x velocity
9
Q
GPE equation
A
GPE = mass x height x gravitational field strength
10
Q
elastic potential store equation
A
1/2 x spring constant x extension squared
