PHYSICS-FORMULA SHEET
Measurement
distance
displacement
time
speed
velocity
acceleration
“Change in”
subscript f =“Final ____”
subscript i or o = “initial _____“
Acceleration due to gravity (9.8 m/s2)
Mass
Height
Kinetic Energy
Potential Energy
Mechanical Energy
Work
Power
Force (Many types of Forces)
Net Force
Weight
Momentum
Impulse
Charge
Voltage
Current
Resistance
Variable
Unit name written out
Unit abbreviation
x or d or h
x or d
t
s
v
a
Δ
meters
meters
seconds
miles/hour
meters/second
Meters/second squared
---------------------------------------Meters/second squared
kilograms
meters
Newton*meter or joules
Newton*meter or joules
Newton*meter or joules
Newton*meter or joules
Watts
Newton (kg*m/s2)
Newton
Newton
Kilograms * meters/second
Newtons*second
Coulombs
Volts
Amperes (Amps)
Ohms
m
m
s
mi/hr
m/s
m/s2
------------------------------------------------------------m/s2
Kg
m
Nm or J
Nm or J
Nm or J
Nm or J
W
N
N
N
Kg m/s
Ns
C
Voltage
Current
Ω
f
i or o
g
m
h
KE or EK
PE or EP
ME or EM
W
P
F?
Fnet
W or Fg
p
Δp
q
V
I
R
Semester 1
Velocity= displacement = v = Δd = df - di
Time
Δt
t f - ti
Speed = distance/time
or d = vt
Pythagorean Theorem
Average speed
Slope
Avg s = total distance
Total time
rise = Δ y = y2 – y1
run Δ x
x2 - x 1
Kinetic Energy
Potential Energy
Other Kinematic
Equations
d = vit + ½ at2
vf2 = vi2 + 2ad
vf = vi + at
Force
Fnet = ma
Or Fg = m g
W=mg
g = 9.8m/s2
Speed
s = d/t
EK (KE) =1/2 mv2
EP (PE) = m g h
Epg (PEg) = m (9.8) h
Acceleration
a = Δv = vf - vi
t
t
Mechanical Energy
MEi = MEf
PEi + KEi = PEf + KEf
a2 + b2 = c2
Work- Energy
W = ΔE
Wfriction = ΔME
Work
W=Fd
Power
P = W/t
P = W = Fd = mgd = Fv
t
t
t
Momentum
p=mv
(1hp=746W)
Impulse
Δp = Fnet t
Fnet(t) = m(Δv)
Fnet(t) = m(vf - vi)
Conservation of Linear
Momentum
m1v1 = m2v2 (1 object)
m1v1 + m2v2 = m1v1' + m2v2'
(if 2 objects)
Electricity
V= I R
Electric Power
P=IV
Current
I = q/ t
Electrons = -1.6x10-19C
Electrostatics
Electrons = -1.6x10-19C
Total Charge=(#of electrons )
(charge of 1 electron)
Series Circuit
Voltage (v)
Vt =V1+V2…
Parallel
Circuit
Vt =V1 =V2 …
Current (I)
It=I1=I2…
It = I1 + I2 …
Resistance (R)
RT = R1+R2…
1 = 1 +1 +1
Req R1 R2 R3