Physical Science Formula Sheet
;
Velocity
;
Where
a = acceleration in meters per second per second (m/s 2)
Δv = change in velocity in meters per second (m/s)
t = time in seconds (s)
Where
v = velocity in meters per second (m/s)
d = distance in meters (m)
t = time in seconds (s)
;
Force
Where
W = work in joules (J)
F = force in newtons (N)
d = distance in meters (m)
Where
D = density in grams per centimeter cubed (g/cm3)
or grams per milliliter (g/mL)
m = mass in grams (g)
V = volume in centimeters cubed (cm3) or milliliters (mL)
Where
P = power in watts (W)
W = work in joules (J)
t = time in seconds (s)
Where
P1 = initial pressure
V1 = initial volume
P2 = final pressure
V2 = final volume
Ideal Mechanical Advantage IMA =
IMA = ideal mechanical advantage
De = effort distance in meters (m)
Dr = resistance distance in meters (m)
Momentum
p = mv
Where
p = momentum (kg•m/s)
m =mass (kg)
v = velocity (m/s)
;
Density
;
Boyle’s (Gas) Law P1V1 = P2V2
;
Work
Where
F = force in newtons (N)
m = mass in kilograms (kg)
a = acceleration in meters per second per second (m/s 2)
Power
;
Acceleration
Combined Gas Laws
=
=
Charles’(Gas) Law
Where
Where
P1 = initial pressure
V1 = initial volume
T1 = initial temperature in kelvin
P2 = final pressure
V2 = final volume
T2 = final temperature in kelvin
V1 = initial volume
T1 = initial temperature in kelvin
V2 = final volume
T2 = final temperature in kelvin
Actual Mechanical Advantage
AMA =
AMA = actual mechanical advantage
Fr = resistance force in Newtons (N)
Fe = effort force in Newtons (N)
Ohm’s Law
V=IR
V = electrical potential in volts (V)
I = current in amperes (A)
R = resistance in ohms (Ω)
% Efficiency =
Wout = work output
Win = work input
Temperature
TK = TC + 273
TC = (TF –32)
TF = TC + 32
Heat Lost or Gained
Potential Energy (joules) Ep=mgh
Waves
Where
m = mass (kg)
c = specific heat capacity in joules per
kilogram• kelvin (J/kgK)
ΔT = change in temperature in Kelvin
m=mass (kg)
2
g=acceleration of gravity (m/s )
h=height (m)
v=velocity (m/s)
f=frequency (Hz)
λ=wavelength (m)
Kinetic Energy (joules) Ek= ½ mv2
m=mass (kg)
v=velocity (m/s)
x 100
v=fλ

MEASUREMENT AND CONVERSION TABLE U. S. CUSTOMARY

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