The combined pulley shown has two cables wound around it at different diameters and fastened to pointA and block E, respectively. Member ABOCD rotates counter clockwise to lift block E. If the totalacceleration of point D is 5 in/s²Z45° at the instant shown, determine:a) the angular velocity of member ABCD3;b) the angular acceleration of member ABCD;c) the velocity of block E.Ø5"FØ3"5"BC,E4"8"4"

Answered: Image /qna-images/answer/876850cb-795f-4e44-9f1f-0b12fdc8237b.jpg

Answered: The combined pulley shown has two…

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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EXERCISE 4.10 Bar AB rotates at the constant rate, which causes collar B to slide along curved bar CD. For the instant depicted in the diagram, determine the angular velocity and angular acceleration of bar CD and velocity and acceleration of the collar. (Hint: Use C as the origin of frame XYZ. The direction of X is from C to A. Y direction is vertically upward. Attach frame xyz to bar CD and make it coincide with frame XYZ at the instant.) R 1.75R-
In the mechanism shown below, the wheel is pinned at the center. The radius from O to C is 0.2 m and link CB is 0.55 m long. CB makes an initial angle of 25° with the horizontal as shown. The hydraulic ram at B is moving left at 7 m/s. At the moment shown, what is the angular velocity of link BC and the wheel pivoted at 0? 0000 Ninbet tatis rad/s
5,The slider p can be moved inward by means of the string S as the bar oA totates about the pivot o. the angular position of the bar is given by 0 = 0.4 +0.12t+ 0.06t³, where is in radians and t is in seconds. The position of the slider is given by r= 0.8 0.1t -0.05t², where r is in meters and t is in seconds. Determine and skeatch the velocity and accceleration of the slider at time t=2s. find the angles a andß which V and a make with the positive x -axis. V A
5. The link system is driven as shown. At the instant shown, find the velocity of pin B and the angular velocity of link CD. 4 in. 5 in. 5 AQ 2 rad's 90 B 3 in.
1. A slotted link (horizontal at the instant shown) pivots about point C and is driven by a pin at point P located on the bar AB, which makes an angle of 0 = 35°, as shown. The distance from A to P is 24". At this instant in time, the distance from C to P is 18". If the angular velocity of bar AB is 2 rad/s clockwise, calculate a. The angular velocity vector of the slotted link. b. The velocity vector of the pin with respect to the slotted link. В C A
Q1: The crank OA of the offset sli der-crank mech anism rotates with a constant clockwise angul ar velocity o, = 12 rad/s. For the position shown: 1.1 The angular acceleration of link AB and the acceleration of B. 1.2 Locate the instantane ous center of zero velocity (IC) for the link AB. 60° 45° B OA = 75 mm %3D 15° AB = 225 mm
A cyclist pedals constantly at 7.9587 rad/s the wheels are 336.5mm in radius. If the chain is directly connected with the sprockets which are 76 mm in radius (front sprocket) and 35mm in radius (rear sprockets), Determine the angular speed of the wheel in rad/s.
The collar A is pinned on the 4-inch bar AO₂ and slides on the pivoted arm BO₁. When the angle shown in the figure is = 45°, the bar AO₂ has a constant clockwise angular velocity of 2 rad/sec. Calculate the magnitude of the angular velocity of the bar BO₁ at that instant. Present your answer in rad/sec using 3 significant figures. -b=8" r=4" B 2 rad/sec 0₂
The AB bar shown has a constant angular velocity of 4 rad/s in clockwise direction. Determine: a) What is the speed of pin B relative to the slot? b) What is the magnitude of the angular velocity around C? c) What is the magnitude and direction of the Coriolis acceleration? d) What is the magnitude of the angular acceleration around C? Please add the free body diagram.
4. For the motion of block B in the system below use the following values: VB = 4 m/s; ag = 2 m/s². Determine (a) the type of motion of wheel AC, rod AB, and slider block B. Then, determine (b) the angular velocity and (c) the angular acceleration of the wheel at this instant. 150 mm VB ав 400 mm B
(Three-Dimensional Motion) The figure below represents a pair of bevel gears A and B. Gear A rotates in ahorizontal plane about a vertical axis at O. Gear B rotates around the shaft OC,which in turn rotates about the terminal axis at O. At the instant shown, theangular velocity of the shaft OC is 10j rad/sec, and gear A is stationary. Deter-mine the angular velocity of gear B, and the velocity of a point D at the top ofgear B.
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