Chap8_RotationS10

# Chap8_RotationS10 - Chapter 8 Rotational Motion In physics...

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Chapter 8 Rotational Motion In physics we distinguish two types of motion for objects: Translational Motion (change of location) Rotational Motion (change of orientation)

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Simple & Complex Motions Motion of simple objects: Translation OR Rotation Motion of complex objects: Translation AND Rotation SIMPLE COMPLEX Axis of Rotation We study each type of motion separately, and then separate any complex motion into the two different types.
Circular Motion Rotational Speed : Revolutions per second Tangential Speed : Total distance per second Same Rotational Speed Different Tangential Speeds

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Mass is a measure of inertia for linear motion. Rotational inertia is similar concept for rotation. Inertia M m Gold brick Normal brick Difficult to move Easy to move x x Wood Bat Plastic Bat Difficult to Rotate Easy to Rotate
Rotational Inertia Rotational inertia depends on Total mass of the object Distribution of the mass The farther the mass is from the axis of rotation, the larger the rotational inertia.

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## This note was uploaded on 04/29/2010 for the course PHYS 100 taught by Professor Nidhalguessoum during the Spring '10 term at American University of Sharjah.

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Chap8_RotationS10 - Chapter 8 Rotational Motion In physics...

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