ch 15.2 - energy changes Flashcards
1
Q
what are energy conversions?
A
the process of changing energy from one form to another
2
Q
law of conservation of energy
A
energy cannot be created or destroyed
3
Q
the work done by friction changes kinetic energy into _________ energy
A
thermal
4
Q
a falling object’s GPE turns to ____________ of motion
A
kinetic energy
5
Q
where is there most KE on the pendulum?
A
the lowest point
6
Q
where is there most PE on the pendulum?
A
the highest points
7
Q
theory of relativity?
A
energy and mass are equivalent and can be converted into each other (e=mc^2)