1. In the four-bar mechanism shown in Fig., the lengths of the various links are: AB = 360 mm,BC = CD=560 mm, AD =1000 mm, angle BAD = 45°. The crank AB rotates at 120 rpm in theclockwise direction. Determine(a) the velocity of links BC and CD,(b) the angular velocity of links BC and CD,(c) the velocity of midpoint of the link BC,(d) the acceleration of the links BC and CD, and(e) angular accelerations of BC and CD,(f) the acceleration of midpoint of the link BC.10 Marks)AB7777D

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Answered: 1. In the four-bar mechanism shown in…

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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In a four bar mechanism, the dimensions of the links are given as AB = 50 mm, BC = 66 mm, CD = 56 mm and AD = 100 mm. At a given instant when <DAB=600 . The angular velocity of link AB is 10.5r/s in CCW direction. Determine, (i) velocity of point C, (ii) velocity of point E on link BC when BE = 40 mm, (iii) the angular velocity of link BC and CD; (iv) the velocity of an offset point F on link BC, if BF = 45 mm, CF = 30 mm and BCF is read clockwise. (v) the velocity of an offset point G on link CD, if CG = 24 mm, DG = 44 mm and DCG is read clockwise (
The mechanism shown is composed of rod GPV pin-connected to rod DPE at point P. Knowing that the velocity of V is 4 m/s downwards, A. Redraw bar GPV and determine its instantaneous center of rotation (label it as point C). Specify all angles and distances needed. B. Determine the angular velocity of rod GPV. C. Determine the velocity of point P. D. Redraw bar DPE and determine its instantaneous center of rotation (label it as point C). Specify all angles and distances needed. E. Determine the angular velocity of rod DPE. Use IC method. Please don't show me the answer in chegg. I think there is an error
The mechanism shown is composed of rod GPV pin-connected to rod DPE at point P. Knowing that the velocity of V is 4 m/s downwards, A. [20%] Redraw bar GPV and determine its instantaneous center of rotation (label it as point C). Specify all angles and distances needed. B. [15%] Determine the angular velocity of rod GPV. C. [30%] Determine the velocity of point P. D. [20%] Redraw bar DPE and determine its instantaneous center of rotation (label it as point C). Specify all angles and distances needed. E. [15%] Determine the angular velocity of rod DPE. NOTE: Use INSTANTANEOUS CENTER METHOD for Velocity Analysis
In a four bar mechanism, the dimensions of the links are as given below:AB = 50 mm, BC = 66 mmCD = 56 mm and AD = 100 mmAt a given instant when | DAB=60°the angular velocity of link AB is 10.5rad/sec in CCW direction.Determine,i) Velocity of point Cii) Velocity of point E on link BC when BE = 40 mmiii) The angular velocity of link BC and CDiv) The velocity of an offset point F on link BC, if BF = 45 mm,CF = 30 mm and BCF is read clockwise.v) The velocity of an offset point G on link CD, if CG = 24mm, DG = 44 mm and DCG is read clockwise.vi) The velocity of rubbing of pins A, B, C and D. The ratios ofthe pins are 30 mm, 40 mm, 25 mm and 35 mmrespectively.
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2. The angular velocity of the crank OA is 600 rpm. Determine the linear velocity of slider D and the angular velocity of the link BD. When the crank is inclined at an angle of 75 O to the vertical. The dimensions of various links are: OA = 28 mm; AB = 44 mm; BC = 49 mm and BD = 46 mm; The center distance between the center of rotation O and C is 65mm. The path of travel of the slider is 11 mm below the fixed point C. The slider moves along the horizontal path and OC is vertical. a) Determine the angular velocity (ωAO) b) Determine the linear velocity (VAO) C) Draw the configuration diagram d) Draw the Velocity diagram e) Find the angular velocity of the link BD f) Find the linear velocity (VD)
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In the planetary gear system shown, the radius of gears A, B, C, and D is 30 mm and the radius of the outer gear E is 90 mm. Knowing that gear E has an angular velocity of 180 rpm clockwise and that the central gear A has an angular velocity of 240 rpm clockwise, determine (a) the angular velocity of each planetary gear, (b) the angular velocity of the spider connecting the planetary gears.
The crank AB of the mechanism below rotates at 20 rad/s in the direction shown in the figure below. Determine the angular velocity of the follower link CD
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Two identical slender rods AB and BC Two identical slender rods D and released from the position shown. Knowing that the maximum angle of rotation of the assembly in its subsequent motion is 90° counterclockwise, determine the magnitude of the angular velocity of the assembly as it passes through the position where rod AB forms an angle of 30° with the horizontal.

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