celeration of the center B of the pulley for the following conditions: 0 = 16°, Ô0 = 6 deg/sec, Ö = 6 deg/sec², 1 = 6 ft, Ì = 2.2 ft/sec, i = -3.5 /sec?. The quantities i and i are the first and second time derivatives, respectively, of the length /l of section AB. Express your answers s vectors in the e, and eg directions. the velocity and B 28' A

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
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The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and
acceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 6 deg/sec, 0 = 6 deg/sec?, 1= 6 ft, 1 = 2.2 ft/sec, 1 = -3.5
ft/sec2. The quantities I and I are the first and second time derivatives, respectively, of the length I of section AB. Express your answers
as vectors in the e, and eg directions.
28'
A
Answers:
VB = ( i
i
eg) ft/sec
ag =
i
e, +
i
eg) ft/sec2
Transcribed Image Text:The boom OAB pivots about point O, while section AB simultaneously extends from within section OA. Determine the velocity and acceleration of the center B of the pulley for the following conditions: 0 = 16°, 0 = 6 deg/sec, 0 = 6 deg/sec?, 1= 6 ft, 1 = 2.2 ft/sec, 1 = -3.5 ft/sec2. The quantities I and I are the first and second time derivatives, respectively, of the length I of section AB. Express your answers as vectors in the e, and eg directions. 28' A Answers: VB = ( i i eg) ft/sec ag = i e, + i eg) ft/sec2
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