Assignment:
You are trying to raise a bicycle wheel of mass m and radius r up over a curb of height h . To do this, you apply a horizontal force f→ .
![921_Rotational Motion2.jpg](https://secure.tutorsglobe.com/CMSImages/921_Rotational Motion2.jpg)
1. What is the least magnitude of the force f→ that will succeed in raising the wheel onto the curb when the force is applied at the center of the wheel?
2. What is the least magnitude of the force f→ that will succeed in raising the wheel onto the curb when the force is applied at the top of the wheel?
3. In which case is less force required?
case (a)
case (b)