The dimensions of the various links of amechanism, as shown in Fig. 7.36, are asfollows :AB = 30 mm ; BC = 80 mm ; CD = 45 mm ; and CE = 120 mm.B.30°75 mm22.5 mmEFig. 7.36The crank A B rotates uniformly in the clockwise direction at 120 r.p.m. Draw the velocity diagram forthe given configuration of the mechanism and determine the velocity of the slider E and angularvelocities of the links BC, CD and CE.Also draw a diagram showing the extreme top and bottom positions of the crank DC and the corre-sponding configurations of the mechanism.Find the length of each of the strokes.[Ans. 120 mm/s ; 2.8 rad/s ; 5.8 rad/s; 2 rad/s ; 10 mm; 23 mm]

Given configuration of a mechanism: Now, Angular velocity of link AB=2π×12060=12.56 rad/s Relative…

Answered: mechanism, as shown in Fig. 7.36, are…

mechanism, as shown in Fig. 7.36, are as follows : AB = 30 mm ; BC = 80 mm ; CD = 45 mm ; and CE = 120 mm. B, 30° 75 mm 22.5 mm E

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

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Concept explainers

Basic Terminology in Mechanics

The area of science and mathematics concerned the motion of the objects, the relation between the force matter, and motion if specified. Forces exerted over the objects result in displacements or changes in the position of an object concerning its environment. This branch of physics keeps its roots in Ancient Greece in the form of the scripts of Aristotle and Archimedes.

Question

The dimensions of the various links of a
mechanism, as shown in Fig. 7.36, are as
follows :
AB = 30 mm ; BC = 80 mm ; CD = 45 mm ; and CE = 120 mm.
B.
30°
75 mm
22.5 mm
E
Fig. 7.36
The crank A B rotates uniformly in the clockwise direction at 120 r.p.m. Draw the velocity diagram for
the given configuration of the mechanism and determine the velocity of the slider E and angular
velocities of the links BC, CD and CE.
Also draw a diagram showing the extreme top and bottom positions of the crank DC and the corre-
sponding configurations of the mechanism.
Find the length of each of the strokes.
[Ans. 120 mm/s ; 2.8 rad/s ; 5.8 rad/s; 2 rad/s ; 10 mm; 23 mm]

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