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AP Physics B Units
Force Newton (N)
Energy Joules (J)
Work Joules (J)
Power Watts (W)
Velocity or Speed meters per second (m/s)
Acceleration meters per second squared (m/s 2 ) or meters per second per second (m/s/s)
Mass Kilograms (kg)
Spring Constant Newton per meter (N/m)
Torque Newton meter (Nm)
Momentum kilogram meter per second (kg m/s) or Newton second (Ns) (usually reserved for Impulse)
Impulse Newton second (Ns) or kilogram meter per second (kg m/s) (Usually reserved for momentum)
Density kilogram per meter cubed (kg/m 3 )
Current Amp or Ampere (A)
Resistance Ohm (Ω)
Charge Coulomb (C)
Voltage Volts (V)
Potential Difference Volts (V)
Emf (Electromotive Force) Volts (V)
Electric Field Newton per Coulomb (N/C)
Electric Potential Energy Joules (J)
Magnetic Field Tesla (T)
Magnetic Flux Tesla meter squared (Tm 2 ) or Weber (Wb)
Wavelength meter (m)
Frequency Hertz (Hz)
Energy (Modern) Electron Volt (eV)
Pressure *Pascal (Pa) or Atmosphere (atm)
Temperature *Kelvin (K) or degrees Celsius ( o C)
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