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AQA A-Level Physics
11.1 Rotational dynamics
Flashcards
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What is the moment of inertia for an
isolated point mass?
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What is the moment of inertia for an isolated mass?
A measure of how difficult it is to alter an object’s
rotational speed:
I = mr²
2
I = moment of inertia (kg m ), m = mass (kg)
r = distance from axis of rotation (m)
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What is the moment of inertia of an
extended object?
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