The force P applied at the handle of the rigid lever shown in Fig. 4 causes the lever to rotate clockwise about the pin E causing wires AB, CD and FG to elongate. If the normal strain of wire CD is 10-3 and the length of wire FG is 250 mm, determine the average normal strain in each wire and the angle of rotation of lever. All the wires are perpendicular to the lever arms at the points at which they are attached and are unstretched when section ACE of the lever is in the horizontal position. A 300 mm B 150 mm 150 mm D 30 450 mm E Figure 4. F G P
The force P applied at the handle of the rigid lever shown in Fig. 4 causes the lever to rotate clockwise about the pin E causing wires AB, CD and FG to elongate. If the normal strain of wire CD is 10-3 and the length of wire FG is 250 mm, determine the average normal strain in each wire and the angle of rotation of lever. All the wires are perpendicular to the lever arms at the points at which they are attached and are unstretched when section ACE of the lever is in the horizontal position. A 300 mm B 150 mm 150 mm D 30 450 mm E Figure 4. F G P
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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Transcribed Image Text:The force P applied at the handle of the rigid lever shown in Fig. 4 causes the lever to rotate
clockwise about the pin E causing wires AB, CD and FG to elongate. If the normal strain of wire
CD is 10-3 and the length of wire FG is 250 mm, determine the average normal strain in each wire
and the angle of rotation of lever. All the wires are perpendicular to the lever arms at the points at
which they are attached and are unstretched when section ACE of the lever is in the horizontal
position.
A
300 mm
B
150 mm
150 mm
C
D
30%
450 mm
E
Figure 4.
G
P
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