Physics Formulas

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  • Created by: dannyb23
  • Created on: 20-03-18 20:15

Circuits + Elecricity

Current(Amps, A) = Charge(Coulombs, C) / Time(Seconds, S)

Voltage (Volts,V) = Energy Transferred (Joules,J) / Current(Amps,A)

(Volts,V) = Current (Amps,A) * Resistance (Ohms)

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Circuits + Elecricity

Power(Watts,W) = Energy Transferred(Joules,J) / Time(Seconds,S)

Power Supplied(Watts,W) = Current(Amps,A) * Voltage(Volts,V)

Frequency(Hertz,Hz) = 1 / Period(Seconds,S)

(1 period = time taken for 1 complete wave)

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Speed / Velocity / Acceleration

Speed (metres/second,m/s) = Distance (metres,m) / Time (seconds,s)

Acceleration (metres/second squared,m/s2) = Change In Speed (Metres/second,m/s) / Time (seconds/s)

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Forces

Resultant Force (Newtons,N) = Mass (kilograms,kg) * Acceleration(Metres/second squared, m/s2)

Weight (Newtons,N) = Gravitational Field Strength (Newtons/kilograms,N/kg) * Mass (kilograms,kg)

Momentum (kilogramsmeters/second,kgm/s) = Mass (kilograms,kg)  * Velocity (metres/second,m/s)

Impact Force (Newtons,N) = Change In Momentum (kilogrammeters/second,kgm/s) / Time Of Collision (Seconds,s)

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Forces

Kinetic Energy (Joules,J) = 1/2 * Mass (kilograms,kg)* Velocity Squared (metres/secondsquared,m/s2)

Work Done (Joules,J) = Force (Newtons,N) * Distance Travelled (metres,m)

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