AP Physics 1 Symbols and Units

Mass (m)
kg (kilograms)

1/40

TermDefinition
Mass (m)
kg (kilograms)
Position (x)
m (meters)
Velocity (v)
m/s (meters per second)
Acceleration (a)
m/s/s or m/s^2 (meters per second per second)
dispacement (delta x)
m (meters)
distance (absolute value Delta x)
m (meters)
Force (F)
N (Newtons) or Kgm/s/s (kilograms meters per second squared)
Coeffient of Friction (mu)
No units
Spring Constant (k)
N/m (Newtons/meter) or kg/s^2
Momentum (p)
kgm/s (kilograms meters per second)
Impulse (J)
Ns (Newton Seconds) or Kgm/s (Kilograms Meters per second)
Kinetic Energy (K)
J (Joules) or Kgm^2/s^2 or Nm
Work (W)
J (Joules) or Kgm^2/s^2 or Nm
Gravitational Potential Energy (Ug)
J (Joules) or Kgm^2/s^2 or Nm
Elastic Potential Energy (Us)
J (Joules) or Kgm^2/s^2 or Nm
Internal Energy (Delta Uint)
J (Joules) or Kgm^2/s^2 or Nm
Power (P)
J/s(joules per second) or Nm/s or kgm^2/s^3
Period (T)
s (seconds)
Frequency (f)
1/s(per second) or Hz(hertz)
Amplitude (A)
m (meters)
Angular Displacement (Theta)
rad (radians)
Angular Velocity (ω)
rad/s (radians per second)
Torque (tau)
Nm (Newton Meters) or (kgm^2/s^2)
Angular Acceleration (α)
rad/s² (radians per second per second)
Interia (I)
kgm^2 (kilograms meters squared)
Pressure (P)
Pa(pascals) or N/m^2 (Newtons/meter squared)
Density (ρ)
kg/m³ (kilograms per meters cubed)
Height (delta y)
m (meters)
Volumes (V)
m^3 (meters cubed)
Atmospheric Pressure (Patm)
1x10^5 Pa(pascals)
Gravitational Acceleration (g)
m/s^2 (meters per second squared) or N/kg
Gravitational Acceleration on Earth (g)
9.8m/s/s or 9.8 N/kg
Radius (r)
m (meters)
Translational Acceleration (a subscript T)
m/s/s (meters per second squared
Cross sectional (A)
m^2 (meters squared)
Angular Momentum (L)
kgm^2/sec
Rotational Kinetic Energy (K)
J (Joules) or Kgm^2/s^2 or Nm
Period of a Pendulum (Tp)
s (seconds)
Period of a spring mass system (Ts)
s (seconds)
Gravitational Constant (G)
6.67x10^-11 Nm^2/kg^2