# Physics Equations

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• Created by: sheskely1
• Created on: 15-05-16 15:13
Speed
Speed (m/s)= Distance(m)/Time(s)
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Acceleration
Acceleration(m/s2)= Change in Velocity/Time
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Force
Force(N)= Mass x Acceleration
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Weight
Weight(N)= Mass(kg) x Gravitational Field Strength
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Moment
Moment(Nm)= Force(N) x Perpendicular Distance from Pivot(m)
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Power (1)
Power(W)= Current(A) x Voltage(V)
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Voltage
Voltage(V)= Current(A) x Resistance(ohms)
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Charge
Charge(C)= Current x Time
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Energy Efficiency
Efficiency= (Useful energy out/Total energy in)x100
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Stopping Distance
Stopping Distance= Thinking Distance + Breaking Distance
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Power (2)
Power(W)= Energy Transferred(J)/Time(s)
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Specific Heat Capacity
Energy (J)= Mass (kg)x Specific Heat Capacity (J/kg degrees C)xTemperature Change (degrees C)
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Wave Equation
Speed= FrequencyxWavelength
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Frequency
Frequency (Hz)=1/Time Period (s)
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Orbital Speed
(2pi x Orbital Radius(m) )/Time Period(s)
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Kinetic Energy
Ek=1/2m(kg)xv(m/s)2
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Work Done
Work Done(J)=Force(N)xDistance(m)
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Power (3)
Power(W)=(Work Done(J)/Time(s))=(Energy Transferred(J)/Time(s))
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Density
Density (kg/m3) OR (g/cm3)=Mass (kg OR g) x Volume (m3 OR cm3)
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Gravitational Potential Energy (GPE)
GPE= mass x g x height
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## Other cards in this set

### Card 2

#### Front

Acceleration(m/s2)= Change in Velocity/Time

Acceleration

### Card 3

#### Front

Force(N)= Mass x Acceleration

### Card 4

#### Front

Weight(N)= Mass(kg) x Gravitational Field Strength

### Card 5

#### Front

Moment(Nm)= Force(N) x Perpendicular Distance from Pivot(m)