CHAPTER 10
CONSERVATION OF ANGULAR MOMENTUM
• Vector nature of rotation
o
the cross product
o
the right hand rule
• Angular momentum
• Conservation of angular momentum
o
everyday examples
o
the gyroscope*
o
Kepler’s 2nd Law*
* You study using the notes provided.
Vector nature of rotation
Because rotation can be clockwise or counter clockwise,
angular velocity and angular acceleration are actually
vector quantities, with both
direction
and
magnitude
.
The directions are given by the
right-hand-rule
.
r
r
i
r
ω
θ
d
θ
θ
increasing ccw
ccw
cw

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