a. First, select your material. b. Second, assume a design factor of na = 1. c. Compute the diameter of the arm using distortion e materials). Note DE theory will use only the normal d. Select a preferred size (Table A-17) to decrease the c %3D

a. First, select your material. b. Second, assume a design factor of na = 1. c. Compute the diameter of the arm using distortion e materials). Note DE theory will use only the normal d. Select a preferred size (Table A-17) to decrease the c %3D

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

HW 6 Problems:
1. Using F = 2.2 kN, design the lever arm CD for the figure, below. Note: CD is the rod
connected to the force and is in pure bending.
50 mm
300 mm
40-mm D.
3-mm R.
25-mm D.
380 mm
40-mm D.
D'
a. First, select your material.
b. Second, assume a design factor of na = 1.
c. Compute the diameter of the arm using distortion energy (DE) theory (for ductile
materials). Note DE theory will use only the normal stress defined as o =
d. Select a preferred size (Table A-17) to decrease the cost of the device.
e. Compute the factor of safety.
so = -my/I.

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