formulas Flashcards
1
Q
Speed
A
Speed = Distance/Time
2
Q
Average Velocity
A
Velocity = displacement/time
3
Q
Acceleration
A
A=V-U/T
4
Q
Force
A
Force = Mass/Acceleration
5
Q
Pressure
A
Pressure=Force/Surface Area
6
Q
Moment
A
Moment=Force x Perpendicular Distance
7
Q
Weight
A
Weight=Mass x Gravitational Field Strength
8
Q
Density
A
Density = Mass/Volume
9
Q
Kinetic Energy
A
KE=1/2 x Mass x Speed^2
10
Q
Gravitational Potential Energy
A
Mass x Gravitational Field Strength x height
11
Q
Work
A
Work= Force x Distance
12
Q
Power
A
Power = Work Done/Time
13
Q
Period
A
Period = 1/Frequency
14
Q
Speed of wave
A
Speed of wave = Frequency x wavelength
15
Q
Echo
A
Speed = 2 distance/time
16
Q
Charge
A
Charge=Current x time
17
Q
Potential Difference/Electromotive force
A
PD/EF = Work done / Charge
18
Q
Resistance
A
Resistance= Potential Difference/Current
19
Q
Energy Consumption
A
Energy Consumption = Power x Time
