Problem 1.15, Please write it on paper. Problems 1.12 through 1.22 Refer to Figure 1.12a.For each of the following problems, (a) determine whether the links can actually form a mecha-nism with the dimensions given; (b) if a mechanism exists, identify the motion relationship (crankrocker, drag link, double rocker, triple rocker, or change point); (c) show the limiting positions ifthe mechanism is a crank-rocker, double-rocker, or triple-rocker mechanism:1.15 L 1.5, L₁ = 4, L₂ = 2, L3 = 3.5.= BandBLink 1Link 1aoLink 1Link 2BLink 2Link 0Locus of BLink 0(b)Link 2Link 0Link 3Lo < L₂-L₁ + L3₁L3 Lo + L₂-L₁.Locus of CL₁ + L₂ < Lo + L3.Link 3(c)FIGURE 1.12 (a) Crank-rocker mechanism. For this class of mechanism, continuous rotationof the driver results in oscillation of the follower. (b) A limiting position of the crank-rockermechanism (flexed). (c) A limiting position of the crank-rocker mechanism (extended).fixed link) are collinear. From geometry, the length of one side of a triangle must beless than the sum of the lengths of the other two sides. Applying this notion to parts band c of the figure, we obtainLink 3(1.8)

Solution: Given Data: Lo=1.5L1=4L2=2L3=3.5 To Find: (a) Is a mechanism possible with the given…

For each of the following problems, (a) determine whether the links can actually form a mecha- nism with the dimensions given; (b) if a mechanism exists, identify the motion relationship (crank rocker, drag link, double rocker, triple rocker, or change point); (c) show the limiting positions if the mechanism is a crank-rocker, double-rocker, or triple-rocker mechanism: 1.15 L 1.5, L₁= 4, L₂ = 2, L3= 3.5. =

For each of the following problems, (a) determine whether the links can actually form a mecha- nism with the dimensions given; (b) if a mechanism exists, identify the motion relationship (crank rocker, drag link, double rocker, triple rocker, or change point); (c) show the limiting positions if the mechanism is a crank-rocker, double-rocker, or triple-rocker mechanism: 1.15 L 1.5, L₁= 4, L₂ = 2, L3= 3.5. =

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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Question

Problem 1.15, Please write it on paper.

Problems 1.12 through 1.22 Refer to Figure 1.12a.
For each of the following problems, (a) determine whether the links can actually form a mecha-
nism with the dimensions given; (b) if a mechanism exists, identify the motion relationship (crank
rocker, drag link, double rocker, triple rocker, or change point); (c) show the limiting positions if
the mechanism is a crank-rocker, double-rocker, or triple-rocker mechanism:
1.15 L 1.5, L₁ = 4, L₂ = 2, L3 = 3.5.
=

B
and
B
Link 1
Link 1
ao
Link 1
Link 2
B
Link 2
Link 0
Locus of B
Link 0
(b)
Link 2
Link 0
Link 3
Lo < L₂-L₁ + L3₁
L3 Lo + L₂-L₁.
Locus of C
L₁ + L₂ < Lo + L3.
Link 3
(c)
FIGURE 1.12 (a) Crank-rocker mechanism. For this class of mechanism, continuous rotation
of the driver results in oscillation of the follower. (b) A limiting position of the crank-rocker
mechanism (flexed). (c) A limiting position of the crank-rocker mechanism (extended).
fixed link) are collinear. From geometry, the length of one side of a triangle must be
less than the sum of the lengths of the other two sides. Applying this notion to parts b
and c of the figure, we obtain
Link 3
(1.8)

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