The bucket of a backhoe is the element AB of the four-bar linkage system ABCD. Assume that the points A and D are fixed and that, atthe instant shown, point B is vertically aligned with point A, point C is horizontally aligned with point B, and point B is moving to theright with a speed vg = 1.9 ft/s. Determine the velocity of point C at the instant shown, along with the angular velocities of elements BCand CD. Let h = 0.66 ft, e = 0.46 ft, /= 0.9 ft, and w= 1.0 ft. (Include a minus sign if necessary.)พUBC BDhteThe angular velocity of element CD isThe angular velocity of element BC isThe velocity of point C is ( 1.900| Â rad/s. (Round the final answer to four decimal places.)rad/s. (Round the final answer to three decimal places.)) ft/s. (Round the final answers to three decimal places.)

Answered: The bucket of a backhoe is the element…

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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P4. In the Figure, the washer is sliding outward on the rod with a velocity of 3 m/s when its distance from point O is 2 m. Its velocity along the rod is increasing at the rate of 8 m/s. The angular velocity of the rod is 2 radis counterclockwise, and its angular acceleration is 10 rad/s clockwise. Determine the absolute velocity and acceleration of point P on the washer.
4. The motion of the rectangular plate P is controlled by the two links which cross without touching. At the instant shown, the links are perpendicular to each other and the plate has a counterclockwise angular velocity wp = 2 rad/s. Determine the angular velocities (magnitude and direction) of the two links, woa and wDB- Ans. woA = 1.33 rad/s (ccw); @pB = 1.20 rad/s (ccw) @p = 2 rad/s D В 0.2 m AO = 0.6 m BD = 0.5 m - 0.2 m
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Q/ The dimensions of the links for mechanism as shown beside are: OA = 12 cm AC= 47 cm AB= 60 cm 55cm CD= 55 cm The link OA rotates at 942.5 rad/min and is pinned at A to road AB. The point C in the road is guided in circular path with D at center of DC as a radius. Determine the velocity of CD, sliding E and acceleration of E 22cm 60cm
An external drive system actuates the mechanism by applying a moment M at bearing D. At the instant 0 = 55°, the magnitude of the velocity vector of point C is 19 m and the angular acceleration of link CD is 30 rad in the CCW direction. Determine the angular velocity vector of link CE (in L = 2 metres. rad :) at this instant. Consider E y +. • Ch
5. For the following pin-collected link assembly, link AO is pinned at point O, and moves with angular velocity W and angular acceleration a (both counterclockwise). 4) if W = 4.0 rad/s and a = 6.3 rad/s2, length I = 1.5 m, and angle 0= 36°, what is the magnitude of the angular velocity of link 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. 0.5 m 0, a B Your Answer: Answer units
The figure shows a rigid link AB of length 2 m which rotates anticlockwise about a fixed point at A at a rate of 2 rad/s, but which is decelerating in its rotation at 1 rad/s². At the instance of time shown in the diagram, with the link AB at 60 degrees to the horizontal, what is the y-component of the absolute acceleration of point B? (The positive sense of the x and y directions are given by the axes in the diagram). O O O O O w = 2 rad/s a = -1 rad/s² 7.93 m/s2 Don't Know -7.93 m/s² 5.93 m/s2 -5.93 m/s² B 60⁰
THIS IS A SUPPLEMENTAL STUDY PROBLEM GIVEN AS AN EXTRA EXAMPLETHIS IS NOT A GRADED ASSIGNMENT
Find wAB and wBC in rad/s
The piston of the hydraulic cylinder gives pin A a constant velocity v = 3 [ in the direction shown for an interval of its motion. For the shown instant where 0 = 60°, solve the following: (a) Draw the polar unit vectors at the current location of the pin. (b) Determine the values of r, 0,7 and Ö where r = OA
Question 1: In the mechanism shown in Figure the slider is moving to the right with a velocity of 1 m/sec. Determine the magnitude of the angular velocity of the link AB and BC. AR 45° D₁ A₂D 3 m C VAB 45° Vc B Van Vc B 1.5 m VBC с
The flywheel shown in the figure is pinned at its center and for the instant shown rotates with an angular velocity w=5 rad/s and an angular acceleration a=8 rad/s². (Figure 1) 0.3 m 0.4 m The flywheel shown in the figure is pinned at its center and for the instant shown rotates with an angular velocity w=5 rad/s and an angular acceleration a=8 rad/s² (Elgure 1) Figure 1 of 1 > Figure 0.3 m 0.5 m 0.5 m 0.4m Part A Determine the angular velocity of link AB at this instant Express your answer in radians per second to three significant figures. ΑΣΦΗ vec l → C WAB rad/s Submit Request Answer Part B Determine the angular velocity of link BC at this instant Express your answer in radians per second to three significant figures. → [5] ΑΣΦ | 11 | vec ? Determine the angular acceleration of link AB at this instant Express your answer in radians per second squared to three significant figures. VE] ΑΣΦΗ vec 9 QAB rad/s² Submit Request Answer Part D Determine the angular acceleration of ink BC at…

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