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MCAT Physics Equations
For use to study for the MCAT
24
Physics
Undergraduate 4
01/01/2015
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Term
Velocity
 Definition
v = displacement / t
Term
Acceleration
 Definition
a = (vf-vi) / t
Term
Linear Motion #1
 Definition

vf2 = vi2 + 2aΔx

 
Term
Linear Motion #2
 Definition
vf = vi + at
Term
Linear Motion #3
 Definition
Δx = vit + ½at2
Term
Average Velocity
 Definition
vavg = ½(v + vi)
Term
Peak Height
 Definition

vi sinΘ = √2gh

 

 

 
Term
Force
 Definition

F = ma

=kx

Expressed in Newtons (kg*m/s2)

 
Term
Universal Gravitation
 Definition

Fg = Gm1m2 / r2

 

Universal Gravitation Constant

G = 6.69 x 10-11

 

 
Term
Centripetal Acceleration
 Definition
ac = v2/r
Term
Centripetal Force
 Definition
Fc = mv2/r
Term
Normal Force
 Definition

FN = mg cosΘ

 
Term
Static + Kinetic Friction
 Definition

Ff = μFN

 

μ = coefficient of friction
Term
Force down an Inclined Plane
 Definition

F = mg sinΘ

 
Term
Torque
 Definition

FTorque = force x lever arm

Fclockwise = Fcounterclockwise
Term
Work
 Definition

W = Fd cosΘ

=ΔKE

measured in joules

 

 
Term
Power
 Definition

P = w/t

w = work

P is in (W) watts (J/s)
Term
Kinetic Energy
 Definition

KE = ½mv2

 
Term
Gravitational Potential Energy
 Definition
Ug = mgh
Term
Elastic Potential Energy
 Definition

UE = ½kΔx2

k = spring constant

 

 
Term
Momentum
 Definition

p = mv

p = momentum
Term
Impulse
 Definition

J = Δmv

=Favg Δt

J = impulse 
Term
Density
 Definition

ρ = m/v

ρ = density
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