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/s2)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/m3)

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 (Tm2)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 (oC)