Question 11
A wheel of radius 0.3 m is pulled by a rope with 20 N force. What torque is applied?
Question 12
Which of the following has moment of inertia independent of axis choice?
Question 13
What is the torque when force is applied at the axis of rotation?
Question 14
A ballet dancer spins slowly with arms extended. When she pulls her arms in, what happens?
Question 15
What happens to the angular speed of a star as it collapses under gravity?