Things like bowling balls, hitting a billiard ball, and tires on an icy road, sees examples of motion we can label slipping, rolling AND slipping, or rolling WITH NO slipping. These are objects and situations where all three motions can be seen one after the other. The 2012 AP Physics C Mechanics problem #3 was this problem, with a ring doing it.
A bowling ball type problem sees several key concepts from rotational motion make an appearance, and this video walks through the details about how to think about the situation. The concepts are not too difficult in their own right, but combining them tends to be where confusion and self-doubt enter into the psychology of the problem! Check it out, see if this makes sense.
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