Equations Flashcards
1
Q
Acceleration=
A
Change in velocity / time taken
2
Q
Weight=
A
Mass x gravitational field strength
3
Q
Force =
A
Mass x acceleration
4
Q
Moment=
A
Force x (perpendicular) distance
5
Q
Orbital speed=
A
2 x Pi x orbital radius / time period
6
Q
Electrical power =
A
Current x voltage
7
Q
Energy transferred=
A
Current x voltage x time
8
Q
Voltage=
A
Current x resistance
9
Q
Charge=
A
Current x time
10
Q
Speed=
A
Frequency x wavelength
11
Q
Angle of incidence =
A
Angle of reflection
12
Q
Efficiency=
A
Useful energy output / total energy input
13
Q
Work done=
A
Force x distance moved
14
Q
Power=
A
Work done / time taken
15
Q
Kinetic energy=
A
1/2 x mass x speed squared
