Rotational Motion Flashcards
1
Q
Theta, Arc Length and Radius
A
θ= s/r
2
Q
Omega
A
ω = dθ/ dt
3
Q
Alpha
A
α = dω/dt
4
Q
Velocity and Omega
A
v= rω
5
Q
Acceleration and Alpha
A
a= rα
6
Q
Centripetal acceleration
A
a= ω^2
7
Q
Moment of Inertia
A
I= Σmr^2
8
Q
Rotational Kinetic Energy
A
K=(1/2) Iω^2
9
Q
Parallel Axis Theorem
A
I= Icm +MD^2
10
Q
Torque
A
\+ - Counterclockwise - Clockwise τ= Iα τ= Fr sinθ τ= r x F τ= F*d(lever arm)
11
Q
Rolling Motion
A
E= 1/2mv^2 + 1/2 Iω^2
12
Q
Power and Torque
A
P= τω
