conservation and dissipation of energy Flashcards
1
Q
chemical energy examples..
A
batteries, food, fuel
2
Q
what’s kinetic energy
A
the energy an object has because its moving
3
Q
whats gpe
A
gravitational potential energy- the amount of energy an object has because of its position relative to the ground
4
Q
whats epe
A
elastic potential energy- the amount of energy an object has because its being stretched or squashed
5
Q
whats thermal energy
A
energy because of temp
6
Q
conservation of energy…
A
energy cannot be created or destroyed but can be transferred from one form to another
7
Q
closed system
A
no energy transfers take place
8
Q
whats friction
A
the force that opposes the motion of two surfaces in contact with each other
9
Q
what happens to wasted energy
A
it dissipates
10
Q
power of an appliance
A
the rate at which an appliance transfers energy
