Equations Flashcards
1
Q
0.5 x mass x (speed)2
A
Kinetic
2
Q
Mass x gravitational field strength x height
A
Gravitational Potential Energy
3
Q
Energy transferred / time
A
Power
4
Q
Work done / time
A
Power
5
Q
Useful output energy transfer / total input energy transfer
A
Efficiency
6
Q
Useful power output / total power input
A
Efficiency
7
Q
Current x time
A
Charge flow
8
Q
Current x resistance
A
Potential difference
9
Q
Potential difference x current
A
Power
10
Q
(Current)2 x resistance
A
Power
11
Q
Charge flow x potential difference
A
Energy transferred
12
Q
Mass / volume
A
Density
13
Q
Pressure x volume
A
Constant
14
Q
Mass x gravitational field strength
A
Weight
15
Q
Force x distance
A
Work done
16
Q
Force normal to a surface / area of that surface
A
Pressure
17
Q
Height of column x density of liquid x gravitational field strength
A
Pressure due to a column of liquid
