# Physics Equations

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- Created by: elladitch
- Created on: 10-05-18 12:59

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- Physics Equations
- Paper 2
- Moments and Levers
- Moment of a Force = Force x Distance normal to the direction of the force

- Work Done
- Work Done = Force x Distance
- W = fd

- Work Done = Power x Time Taken
- W = Pt

- Work Done = Force x Distance
- Power and Electricity
- Charge = Current x Time
- Q = It

- Energy Transfered = Charge Moved x Voltage
- E = QV

- Potential Difference = Current x Resistance
- V = IR

- Power = Energy Transfered / Time
- P = E/t

- Electrical Power = Current x Potential Difference
- P = IV

- Electrical Power = Current^2 x Resistance
- P = I^2R

- Charge = Current x Time
- Density
- Density = Mass / Volume
- p = m/v

- Density = Mass / Volume
- Force and Pressure
- Force Exerted on Spring = Spring Constant x Estension
- F = kx

- Pressure = Force normal to surface x Area of surface
- P = F/A

- Force Exerted on Spring = Spring Constant x Estension

- Moments and Levers
- Paper 1
- Motion
- Spee = Distance / Time
- V=d/t

- Acceleration= (Final - Initial Velocity) / time
- a=(v-u)/t

- Spee = Distance / Time
- Forces and Energy
- Efficiency = useful energy used / Totalenergy supplied
- Weight = Mass x Gravity
- W = mg

- Momentum = Mass x Velocity
- p = mv

- Force = Mass x Acceleration
- F = ma

- Work Done = Force x Distance
- W = Fd

- Kinetic Energy = 0.5 x Mass x Velocity^2
- KE = 0.5mv^2

- Waves
- Wave Velocity = Frequency x Wavelength
- V = f?

- Wave Speed = Distance / Time
- V = d/t

- Wave Velocity = Frequency x Wavelength

- Motion

- Paper 2

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