Problem: A disk (I = 1⁄2 MR2) and a hoop (I = MR2) of the same mass and radius are released at the same time at the top of an inclined plane and allowed to roll without slipping to the bottom. a) The hoop always wins. b) The disk always wins c) The hoop wins as often as the disk d) Both reach the bottom at the same time. e) Insuffient information to answer.

🤓 Based on our data, we think this question is relevant for Professor Vazquez's class at UH.

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Problem Details

A disk (I = 1⁄2 MR2) and a hoop (I = MR2) of the same mass and radius are released at the same time at the top of an inclined plane and allowed to roll without slipping to the bottom.

a) The hoop always wins.

b) The disk always wins

c) The hoop wins as often as the disk

d) Both reach the bottom at the same time.

e) Insuffient information to answer.

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What scientific concept do you need to know in order to solve this problem?

Our tutors have indicated that to solve this problem you will need to apply the Energy of Rolling Motion concept. You can view video lessons to learn Energy of Rolling Motion. Or if you need more Energy of Rolling Motion practice, you can also practice Energy of Rolling Motion practice problems.

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What professor is this problem relevant for?

Based on our data, we think this problem is relevant for Professor Vazquez's class at UH.