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An arrow is shown, where the most critical part (r) of said arrow is observed. to. It is designed with approximate relative sizes of d = 0.65D and r = D/15 with the diameter d conforming to the size of the inner diameters of standard metric bearings. b. It is made of SAE 2340 steel, heat treated to obtain minimum strengths in the shoulder area of Sut = 1226 MPa and Sy = 1130 MPa. c. At the shoulder, the arrow is subjected to a completely reversible bending moment of M = 80N and a uniform torque of T = 55Nm d. It has a safety factor n = 2 Determine the dimensions of the shaft for infinite life.

An arrow is shown, where the most critical part (r) of said arrow is observed. to. It is designed with approximate relative sizes of d = 0.65D and r = D/15 with the diameter d conforming to the size of the inner diameters of standard metric bearings. b. It is made of SAE 2340 steel, heat treated to obtain minimum strengths in the shoulder area of Sut = 1226 MPa and Sy = 1130 MPa. c. At the shoulder, the arrow is subjected to a completely reversible bending moment of M = 80N and a uniform torque of T = 55Nm d. It has a safety factor n = 2 Determine the dimensions of the shaft for infinite life.

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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An arrow is shown, where the most critical part (r) of said arrow is observed.
to. It is designed with approximate relative sizes of d = 0.65D and r = D/15 with the diameter d conforming to the size of the inner diameters of standard metric bearings.
b. It is made of SAE 2340 steel, heat treated to obtain minimum strengths in the shoulder area of Sut = 1226 MPa and Sy = 1130 MPa.
c. At the shoulder, the arrow is subjected to a completely reversible bending moment of M = 80N and a uniform torque of T = 55Nm
d. It has a safety factor n = 2

Determine the dimensions of the shaft for infinite life. 

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