Matter And Energy Flashcards
1
Q
Power
A
Rate of doing work
2
Q
Work
A
Force moving and object in the direction of the force. It is expressed in units called foot-pounds, or ft-lb
Work = force x distance
3
Q
Horsepower (hp)
A
An expression of power.
1hp = 33,000ft-lb/min
4
Q
Watt(w)
A
Measurement of electrical power
5
Q
KWh
A
1,000 watts of power in an hour
6
Q
Watts conversion to hp
A
746w= 1hp
7
Q
1kw to btu/h
A
1kw= 3413btu/h
8
Q
Matter
A
Substance that occupies space and has mass
9
Q
Weight
A
Mass x gravity
10
Q
Compounds
A
When atoms of once substance combined with atoms from another substance and create a new substance.
11
Q
Density
A
Mass to volume ratio
12
Q
Conservation of energy
A
Energy can not be created or destroyed. It only changes states.
