Energy Flashcards
1
Q
Law of conservation of energy
A
Energy cannot be created or destroyed - only transformed what one form into another
2
Q
What sometimes happens when energy is transferred from one form to another?
A
There is energy ‘lost’ due to the effects such as friction and resistance.
This energy is not really lost, it is just turned into less useful forms such as heat and sound that we can’t use
3
Q
Gravitational potential energy
A
Energy an object possesses because of its position in a gravitational field
4
Q
Kinetic energy
A
The energy an object possesses due to its motion
5
Q
Ep=
A
Ek
