Unit 4 Formula Sheet


Rotational and Simple Harmonic Motion
Angular
displacement
Angular
velocity
Angular
acceleration
is meagured in radians
2 radians = 360o
Uniform Circular Motion
Simple Harmonic Motion
Displacement

Velocity

Acceleration

Moments of inertia
cylindrical shell
about its axis
solid cylinder
about its axis
solid sphere
about a diameter
I = M R 2 I = (1/2) M R 2 I = (2/5) M R 2
angular momentum torque torques with
= angle between F and l
L = I = F l sin
center
of mass
FN = reaction or normal force of surface
K = (1/2) M V2 U = M g h K = (1/2) I 2 P = Energy / time   [watts]
Hooke's Law and spring angular frequency F = - k x

Pendulum

2 = g / L


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