In the mechanism shown, collar B slides freely on rod OA and d = 5 ft. At the instant represented,the fixed hydraulic cylinder C imparts a downward velocity v = 8 ft/sec to the collar B which isdecreasing at a rate of 2 ft/sec per second. If at this instant 0 = 25°, determine the magnitude anddirection of the resulting angular velocity and angular acceleration of rod OA. (WOA = 1.31 rad/secCCW, OA = 1.28 rad/sec² CCW)=AByทᎾCd

Answered: In the mechanism shown, collar B slides…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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The figure is made of rigid members AB, BC, DE, and EF, whichare pinned at A, B, D, E, and F. End C of member BC is pinned to a block which slides on member DE. For the given position, angular velocity of member AB = 2 rad per sec clockwise and angular acceleration of member AB = 3 rad / s^2 counterclockwise. Find the linear velocity and acceleration of the block at C for this position.
3. In the mechanism shown collar B slides with a constant speed ug = 1 ft/see to the right on the fixed rod. If a=0.8 ft, b= 1.2 ft, and h = 0.4 ft, determine the magnitude and direction of the angular velocity and angular acceleration of links OA and AB at the instant when 0 = 30°. (wo 0.98 rad/sec CW, WAB= 0.76 rad/sec CCW, 90A = 1.23 rad/sec² CCW, AB=0.86 rad/sec² CW) B VB b a 0 4
4. As shown in the image below, the bucket of the backhoe traces the path of the cardioid r = C · (1 – cos 0) ft, where constant C= 28. At this instant angle 0 - = 121°, and the boom is rotating with an angular velocity of 0 = 2.3 rad/s and an angular acceleration of 0 = 0.19 rad/s?. Determine the magnitude of the acceleration of the bucket in rad/s². Please pay attention: the numbers may change since they are randomized. Your answer must include 1 place after the decimal point. Your Answer: Answer
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3. The hydraulic cylinder Cextends and causes the collar A to move and accelerate to the left. 3) If the length /= 1.5 ft, the angle 0 = 36°, the linear velocity of collar A, Va is 3.2 ft/s, and the linear acceleration of collar A, aa is 2.4 ft/s?, determine the magnitude of the angular velocity, WAB, of rod AB. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point, and proper unit. y Your Answer: Answer units
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only HANDWRITTEN answer needed ( NOT TYPED)
According to the rigid body system shown in figure below, describe type of motion of the collar C, link BC, and link AB. If the collar C slides with linear velocity and acceleration as shown, determine the angular velocity of rod BC, angular acceleration of rod BC, and velocity vector of point B at the instant shown. Vc = 3 m/s ac = 5 m/s² B -0.4 m- 0.6 m 60° 45°
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