Answer to Question #58520 in Classical Mechanics for Ahmad

Question

Hi ...
I have some questions a bout the yoyo and I hope you to help me ...

1- what are the factors that affect the spinning time of the yoyo and why the spinning time different from yoyo to other and is there any situation where the yoyo spin for ever ?

2- what are the factors that affect the rotation speed of the yoyo and is the force that I throwing the yoyo with affect the rotation speed ?

3- what is the time that the yoyo take to get to the end of the string in case of free fall and the case of throwing the yoyo with force ?

4- does the yoyo rotate in uniform circular motion and if not is there any situation where the yoyo rotate like that ?

I hope you to give me specific law for each question and thank you a lot