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1.24 A 6-mm-diameter pin is used at connection C of the pedal shown. Knowing that P = 500N, determine (a) the average shearing stress in the pin, (b) the nominal bearing stress in the pedal at C, (c) the nominal bearing stress in each support bracket at C. 75 mm 300 mm 9 mm A B 125 mm 5 mm Fig. P1.24 and P1.25 Answer (a) 23.0 MPa. (b) 24.1 MPa. (c) 21.7 MPa. D Page 26 1.69 The two portions of member AB are glued together along a plane forming an angle 0 with the horizontal. Knowing that the ultimate stress for the glued joint is 2.5 ksi in tension and 1.3 ksi in shear, determine (a) the value of 0 for which the factor of safety of the member is maximum, (b) the corresponding value of the factor of safety. (Hint: Equate the expressions obtained for the factors of safety with respect to the normal and shearing stresses.) Ꮎ 2.0 in. B A 2.4 kips Fig. P1.69 and P1.70 1.25 in.

1.24 A 6-mm-diameter pin is used at connection C of the pedal shown. Knowing that P = 500N, determine (a) the average shearing stress in the pin, (b) the nominal bearing stress in the pedal at C, (c) the nominal bearing stress in each support bracket at C. 75 mm 300 mm 9 mm A B 125 mm 5 mm Fig. P1.24 and P1.25 Answer (a) 23.0 MPa. (b) 24.1 MPa. (c) 21.7 MPa. D Page 26 1.69 The two portions of member AB are glued together along a plane forming an angle 0 with the horizontal. Knowing that the ultimate stress for the glued joint is 2.5 ksi in tension and 1.3 ksi in shear, determine (a) the value of 0 for which the factor of safety of the member is maximum, (b) the corresponding value of the factor of safety. (Hint: Equate the expressions obtained for the factors of safety with respect to the normal and shearing stresses.) Ꮎ 2.0 in. B A 2.4 kips Fig. P1.69 and P1.70 1.25 in.

Elements Of Electromagnetics
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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Procedure:
1- Cartesian system, 2(D)/(3)D,
type of support
2- Free body diagram
3 - Find the support reactions
4- If you find a negative
number then flip the force
5- Find the internal force
3D
\sum Fx=0
\sum Fy=0
\sum Fz=0
\sum Mx=0
\sum My=0
\Sigma Mz=0
2D
\Sigma Fx=0
\Sigma Fy=0
\Sigma Mz=0
5- Use method of section
and cut the element
where you want to find
the internal force and
keep either side of the
section

1.24 A 6-mm-diameter pin is used at connection C of the pedal shown. Knowing that P = 500N, determine (a) the average shearing stress in the pin, (b) the nominal bearing stress in the pedal at C, (c) the nominal bearing stress in each support bracket at C. 75 mm 300 mm 9 mm A B 125 mm 5 mm Fig. P1.24 and P1.25 Answer (a) 23.0 MPa. (b) 24.1 MPa. (c) 21.7 MPa. D Page 26
Transcribed Image Text:1.24 A 6-mm-diameter pin is used at connection C of the pedal shown. Knowing that P = 500N, determine (a) the average shearing stress in the pin, (b) the nominal bearing stress in the pedal at C, (c) the nominal bearing stress in each support bracket at C. 75 mm 300 mm 9 mm A B 125 mm 5 mm Fig. P1.24 and P1.25 Answer (a) 23.0 MPa. (b) 24.1 MPa. (c) 21.7 MPa. D Page 26
1.69 The two portions of member AB are glued together along a plane forming an angle 0 with the horizontal. Knowing that the ultimate stress for the glued joint is 2.5 ksi in tension and 1.3 ksi in shear, determine (a) the value of 0 for which the factor of safety of the member is maximum, (b) the corresponding value of the factor of safety. (Hint: Equate the expressions obtained for the factors of safety with respect to the normal and shearing stresses.) Ꮎ 2.0 in. B A 2.4 kips Fig. P1.69 and P1.70 1.25 in.
Transcribed Image Text:1.69 The two portions of member AB are glued together along a plane forming an angle 0 with the horizontal. Knowing that the ultimate stress for the glued joint is 2.5 ksi in tension and 1.3 ksi in shear, determine (a) the value of 0 for which the factor of safety of the member is maximum, (b) the corresponding value of the factor of safety. (Hint: Equate the expressions obtained for the factors of safety with respect to the normal and shearing stresses.) Ꮎ 2.0 in. B A 2.4 kips Fig. P1.69 and P1.70 1.25 in.
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