Ch.4 Vocabulary Flashcards
1
Q
A unit used to measure energy and work
A
Joule
2
Q
Stored energy;the energy an object has due to it’s position,molecular arrangement,or chemical composition.
A
Potential energy
3
Q
The energy of motion.
A
Kinectic energy
4
Q
A comination of kinetic energy and potential energy an object has.
A
Mechanical energy
5
Q
No matter how energy is transfered or transfered,all of the energy is still present somewhere in one form or another.
A
Conservation of energy
6
Q
The rate at which workis done.
A
Power
7
Q
The unit of measurment for power,which is equal to one joule of work done or energy transfered in one second.
A
Watt
8
Q
The unit of measurment of power for engines and motors. One horsepower equals 745 watts.
A
Horsepower
9
Q
The use of force to move an object over a distance.
A
Work
