The blade assembly of an oscillating fan rotates with a constant angular velocity 1 = ?? (450
Question:
The blade assembly of an oscillating fan rotates with a constant angular velocity ω1 = ?? (450 rpm)i with respect to the motor housing. Determine the angular acceleration of the blade assembly, knowing that at the instant shown the angular velocity and the angular acceleration of the motor housing are, respectively, ω2 = ?? (3 rpm)j and α 2 = 0.
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Step by Step Answer:
co 450 rpmi 15 radsi 3 rpm j 01007 rads j Let t...View the full answer
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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Angular movements are produced when the angle between the bones of joint changes. There are several different types of angular movements, including flexion, extension, hyperextension, abduction, adduction, and circumduction. Flexion, or bending, occurs when the angle between the bones decreases. Moving the forearm upward at the elbow or moving the wrist to move the hand toward the forearm are examples of flexion. The extension is the opposite of flexion in that the angle between the bones of a joint increase.
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