AP Physics 1 Variable Unit Cards

acceleration

m/s2 (meters per second squared)

distance/height/length/radius/position

m (meters)

energy

J (Joules)

frequency

Hz (Hertz)

force

N (Newton)

rotational inertia

kgm2 (kilogram meter squared)

kinetic energy

J (Joule)

spring constant

N/m (Newton per meter)

angular momentum

Nms or Js (Newton meter seconds or Joules seconds)

mass

kg (kilogram)

power

W (Watt)

linear momentum

kgm/s (kilogram meter per second)

time/period

s (seconds)

potential energy

J (Joules)

volume

m3 (meters cubed)

speed

m/s (meters per second)

work

J (Joules)

angular acceleration

rad/s2 (radians per second squared)

coefficient of friction

no units! just a ratio

angle

o or rad (degrees or radians)

torque

Nm (Newton meter)

angular speed

rad/s (radian per second)

current

A (amperes or amps)

charge

C (Coulomb)

resistance

Omega (Ohms)

electrical potential

V (Volts) or J/C (Joules per Coulomb)

resistivity

Omega m (ohm meter)