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AP Physics C Mechanics Equations
Equations Used On AP Physics C Mechanics Exam
35
Physics
Undergraduate 1
05/03/2010

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Term
Work (Rotation)
Definition
W=∫τ
Term
Work (Force)
Definition
W=∫F dx
Term
Work Energy Theorem
Definition
W=-ΔU(position)=ΔK(time)
Term
Kinetic Energy (momentum)
Definition

K=(p2/2m)

 

Term
Mechanical Energy
Definition
E=K+U
Term
Elastic Potential
Definition
Us=(1/2)kx2
Term
Force (Potential Energy)
Definition
F=-dU(x)/dx
Term

Change in Potential Energy

(Force)

Definition
ΔU=-∫F(x) dx
Term
Power (Definition)
Definition
P=dE/dt
Term
Power (Force)
Definition
P=F•v
Term
Kepler's Third Law
Definition
T2=(4∏2/GM)r3
Term
Rolling Kinetic Energy
Definition
K=(1/2)Icmω2+(1/2)Mv2
Term
Force(momentum)
Definition
ΣF=dp/dt
Term
Torque(Angular Momentum)
Definition
Στ=dL/dt
Term
Torque(definition)
Definition
τ=r×F=rf sinφ
Term

Angular Momentum

(Definition)

Definition

L=r x p=m(r x v)

 

L=rmv sinφ

 

Term

Translational Velocity

(Rolling)

Definition
vcm=ωR
Term
Angular Momentum
Definition
L=Iω
Term
Kinetic Energy (Rotating)
Definition
K=(1/2)Iω2
Term
Parallel Axis Theorem
Definition
Ipa=Icm + Mh2
Term
Newton's Second Law (Rotational)
Definition
τ=Iα
Term

Rotational Inertia

(Definition)

Definition
I=∑miri2=∫r2 dm
Term
Centripetal Acceleration
Definition
ac=v2/r=ω2r
Term
Rotational Kinematics Conversions
Definition

s=rθ

v=rω

a=rα

Term
Rotational Kinematics Definitions
Definition

ω=Δθ/Δt=dθ/dt

 

 

α=Δω/Δt=dω/dt

Term
Dot Product
Definition
A•B=AB cosθ
Term
Cross Product
Definition
AxB=AB sinθ
Term
Newton's Second Law
Definition
∑F=ma
Term
Period
Definition
T=1/f=2∏/ω=2∏r/v
Term
Range Equation
Definition
R=(vo2/g) sin2θ
Term
Robot Arm Formula
Definition
F(x)=F0(1+1/6[x2/xo2])
Term
Impulse
Definition
J=Δp=∫F dt
Term
Force of Friction
Definition
Ffr≤μFN
Term
Meaning of Derivative
Definition
Slope of Curve
Term
Meaning of Integral
Definition
Area under Curve
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