Rotational Dynamics Flashcards
1
Q
Give an equation between I1, m,r,ω1, ω2
A
I1=mr^2ω2/(ω1-ω2)
2
Q
Give the units of I
A
Kgm^2
3
Q
Give the units of angular momentum
A
Kgm^2rads^-1
Or Nms
4
Q
If the mass of a disc is further from the axis of rotation how will it effect the moment of inertia
A
Increase
5
Q
Give an equation between I1, I2, ω1, ω2.
A
I1ω1=I2ω2
6
Q
Define conservation of angular momentum
A
Total angular momentum of a system remains constant provided no external torque acts on it
