Angular momentum deals with rotation.
| Moment of inertia is the measure of resistance of an object when changing angular velocity. |
| Angular velocity is the time rate of change of the angular position of a rotating body. |
A figure skater going into a spin will bring her arms in towards her body to increase the angular momentum and moment of inertia. In order to decrease moment of inertia and come out of the spin the skater must allow her arms to come away from the body or bring her arms out.
Momentum
Which one of the two momentums deals with mass and velocity?
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Do you feel like you learn better when you watch videos? You’re not alone! Research shows instructional videos can make learners more engaged and active in online classes, when compared to text-only lessons.
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Sometimes when you learn, it can feel like you’re just not getting it. Maybe you don’t really know what all the words on the page mean, or you have to read a paragraph two or three times to understand what it’s about.
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The science is in, and taking notes is one of the best ways to reinforce your learning. Notes work even better when you write them by hand, since you’re more likely to put complex new ideas in your own words and remember them longer.
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Student Tools lets you create your own Flashcard decks to help you study. To get started, click Student Tools > Flashcards. Press Add New Set and give it a title.
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