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February 1, 2015

February 1, 2015

Posted by **rosa** on Wednesday, November 13, 2013 at 10:59am.

For what angles of beta will the yo-yo roll to the left and for what angles to the right?

a) Yo-Yo rolls to the left if sin beta<R-1/R_2 , and to the right if sin beta> R_1/R_2.

b)Yo-Yo rolls to the left if sin beta>R-1/R_2 , and to the right if sin beta<R_1/R_2

c)yo- yo rolls to the left if cos beta< R_1/R_2 and to the right if cos beta>R_1/R-2

d)yo yo rolls to the left if cosbeta>R_1/R_2 and to the right if cosbeta< R_1/R_2 .

- Do not understand -
**Damon**, Wednesday, November 13, 2013 at 12:02pmThe reason I am not answering is that without a drawing I find the question incomprehensible.

- Physics Important please -
**rosa**, Wednesday, November 13, 2013 at 1:42pmHi Damon,

R_1 is inner radius and R_2 is outer radius of yo yo which looks like concentric circle and beta is the angle in right side of that yo yo. I hope this will help to complete the question. I dont know how to draw image here.

- Physics Important please -
**rosa**, Wednesday, November 13, 2013 at 2:24pmHi, Damon I got it. Thank you

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