Rolling is combined rotation and translation.
How is it described mathematically?
What is the expression for kinetic energy
for a rolling object?
How is torque expressed as a vector? How
do you get the direction?
What is angular momentum? How does
conservation of angular momentum apply
to a rotating system?
If you sit on a stool which can rotate and hold
a wheel which is rotating, you can cause yourself
and the stool to rotate by turning the wheel over. Explain.
What is torque? How can you increase the torque
on a wrench to turn a stubborn bolt?
What is required for equilibrium of a large object?
Why do you pick up a long board at it's center? Why
is it difficult to lift it by one end alone?
Why does a skater spin faster if they pull their legs
and arms in?
What is the difference between centrifugal force
and centripetal force? Which can you measure
with a scale?
What is "Newton's second law for rotation"?
How is the parallel axis theorem useful?
Homework set#10
