Equations Flashcards
1
Q
Work done
A
Force x distance
2
Q
Kinetic energy
A
0.5 x mass x (speed)2
3
Q
Gravitational potential energy
A
Mass x gravity x height
4
Q
Power 1
A
Work done / time
Energy / time
5
Q
Efficiency
A
Useful output / total input
6
Q
Charge
A
Current x time
7
Q
Potential difference
A
Current x resistance
8
Q
Power 2
A
Potential difference x current
9
Q
Power 3
A
(Current)2 x resistance
10
Q
Energy transferred
A
Charge flow x potential difference
11
Q
Density
A
Mass / volume
12
Q
Efficiency
A
Useful power output / total power input
