Physics Equations Flashcards
1
Q
Weight=
A
Mass x gravitational field strength
2
Q
Work done=
A
Force x distance moved
3
Q
Kinetic energy=
A
1/2 x mass x speed squared
4
Q
Gravitational potential energy=
A
Mass x gravitational field strength x height
5
Q
Power=
A
Work done /time
6
Q
Energy transfer/time taken=
A
Power
7
Q
Energy efficiency=
A
Useful output energy/total output energy
8
Q
Power efficiency=
A
Useful power output/total power input
9
Q
Charge flow=
A
Current x time
10
Q
Potential difference=
A
Current x resistance
11
Q
Current squared x resistance=
A
Electrical power
12
Q
Electrical power=
A
Potential difference x current
13
Q
Energy transfer=
A
Power x time
14
Q
Charge flow x potential difference=
A
Energy transfer
15
Q
Density=
A
Mass/volume
