Thank you very much! I have a question about the video you sent, in the video why is the friction left? Shouldn't the friction be dependent on whether the yoyo rolls to the right or to the left? If the yoyo rolls to the right then shouldn't the yoyo try to slip left at the contact point with the...
I forgot to write my question, oops. Honestly I simply don't understand the given answer to the question. There is a mistake in the question and the solution - the R in the moment of the tension should be "r" instead of "R" since the string is pulled from the inner ring (look at the figure)...