Thursday
April 24, 2014

Homework Help: college

Posted by amy on Monday, May 18, 2009 at 11:26pm.

how would you go about doing this type of problem thank you


You are trying to raise a bicycle wheel of mass x and radius r up over a curb of height h . To do this, you apply a horizontal force .



1. What is the least magnitude of the force 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 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)

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