At the instant shown, the tower crane rotates about the z axis with an angular velocity ω1=0.25rad/s, which is increasing at 0.6 rad/s2. The boom OA rotates downward with an angular velocityω2=0.4 rad/s, which is increasing at 0.8 rad/s2. Determine,the Velocity Accelerationof point A located at the end of the boom at this instant.

International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter1: Introduction To Statics
Section: Chapter Questions
Problem 1.12P: A differential equation encountered in the vibration of beams is d4ydx4=2D where x = distance...
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At the instant shown, the tower crane rotates about the z axis with an angular velocity ω1=0.25rad/s, which is increasing at 0.6 rad/s2. The boom OA rotates downward with an angular velocityω2=0.4 rad/s, which is increasing at 0.8 rad/s2. Determine,the

Velocity

Accelerationof point A located at the end of the boom at this instant.

w1 = 0.25 rad/s
40 ft
30°
x w, = 0.4 rad/s
Transcribed Image Text:w1 = 0.25 rad/s 40 ft 30° x w, = 0.4 rad/s
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