(read image) Video Solution: Problem 5/1195/120 If link AB of the four-bar linkage has a constant counterclockwise angular velocity of 40 rad/sduring an interval which includes the instant represented, determine the angular acceleration of AO andthe acceleration of point D. Express your results in vector notation.D75 mm150 mmAnswerdoд=0, ap=-480i - 360j m/s²BWAB-100 mm 100 mmPROBLEM 5/120yAXx

Counterclockwise sense of rotation coincides with the positive z-axis.Direction of angular velocity…

Answered: Video Solution: Problem 5/119 5/120 If…

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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Draw a six-bar linkage mechanism used for holding an industrial stirrer. Points A, B, and E are on a straight line on link 2. Points B, C, and G are on a straight line on link 3. The input link 2 rotates with a constant angular velocity a of 3 rad/s (cw) at the instant. O2=0 (a) Complete the acceleration polygon according to the drawing scale given, and find the angular accelerations Oy, 04, as, and as of links 3, 4, 5, and 6, and the acceleration Ap of point F. The position of link 2 is given as input. Write down the vector loop equations of the linkage for analytical position analysis and identify the unknowns in the equations. Note: Round off all your answers to two decimal places. Dimensions: AB= 40.00 mm BE = 20.00 mm BC = 33.54 mm CG= 33.54 mm CD = 18.03 mm EF = 43.00 mm FG = 29.15 mm
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). 3) if W = 5.5 rad/s and a = 7.5 rad/s², what is the magnitude of the linear acceleration of point A in m/s? Hint, don't forget linear acceleration has two components, normal and tangential. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. 0.5 m 0, a
For the slider-crank linkage shown, write the appropriate vector equations and solve them using vector polygons determining: (a) vc (b) @3 (c) the velocity of the midpoint of link 3. A OB 5" 8" 2 α2=0 @2= 10 rad/s A+ 45° 3 C 04 1 Position Diagram (scale: 1 in = 1 cm) X0° Velocity Polygon (scale: 10 in/s = 1 cm)
If link AB of the four-bar linkage of Figure 8 has a constant counterclockwise angular velocity of 40 rad/s during an interval which includes the instant represented, determine the angular acceleration of AO and the linear acceleration of point D. Use relative motion analysis and vector equations. 75 mm 150 mm C D B WAB 100 mm 100 mm Figure 8. y L--x A
The length of link DC is LDC = 0.5m and the length of link CB is LCB = 1.7m . Link CD is rotating with an angular velocity of ωDC = 5rad/s. Points D and O are fixed. 1-Find the Angular Veclocity of CB 2- what steps would you take to find the acceleration ofpoint A? Write out the equations you would use symbolically (letters, not numbers). Whatadditional information would you need? No Need to calculate it 3- What is the velocity of point B inm/s?
The following mechanism is scaled so that the distance from O2 to B is 4cm. Theta two is 135 degreesand is rotating at 120 rpm CCWDetermine the angular velocity of link 3 and the velocity of D3 (which is on link 3) at this instant usinga) Velocity Polygonsb) Loop Closure
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For the problem related to Fundamental.4, a sketch of the considered system showing and naming (or numbering) every part of the system considered, the respective velocity and acceleration of each, and the frame of reference considered is mandatory. Its absence will automatically make the problem false. At the instant observed below 0 =14°, 4°. Z A 3 ft WAB 2 ft C B What must be the angular velocity of the link AB, WAB in rad.s¹ if the linear velocity of C is 7 ft.s¹ -1 --1
The disc rolls such that the angular acceleration= 4 rad/s2 and and the angular velocity=2 rad/s. Assume A lies on the periphery of the disc, 150 mm from C. What is the acceleration of point B on the link and the link's angular acceleration?
Problem 2 Mechanism Another of the doohickeys analyzed by the Enthusiast Club is the crank-slider shown. The crank is turning at a constant WAB= 20 rpm counterclockwise. The dimensions are LAB = 200 mm LBD = 150 mm and LBC = 230 mm. D Using the methods shown in class that require diagrams, determine the acceleration of points A and D, providing magnitude and direction. LAB B LBD WAB LBC
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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). 3) if @ = 4.7 rad/s and a = 6.6 rad/s2, what is the magnitude of the linear acceleration of point A in m/s2? Hint, don't forget linear acceleration has two components, normal and tangential. Please pay attention: the numbers may change since they are randomized. Your answer must include 2 places after the decimal point. 0.5 m Al 0, a В Your Answer: Answer

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