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4 cards from this section. Quick, good the night before a test.
Define moment of inertia in your own words.
Think about how mass affects rotation.
Write the formula for moment of inertia for a point mass.
Consider the variables involved.
What does the moment of inertia depend on?
Consider rotational dynamics.
Is angular momentum conserved in a closed system?
Think of ice skaters pulling in their arms.
A 10 kg object is attached to a 2 m long pole. Calculate the moment of inertia when rotated about one end of the pole.
Apply the point mass formula.
Explain why a solid sphere has a lower moment of inertia than a hollow sphere of the same mass with a fixed radius.
Consider where the mass is located.
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