Q1] A bending moment due to load applied on the head of femur bone which is offset by a distance (x= 50 mm) off the bone center for a person standing in relaxation.His weight is 70kg. 1. Find the maximum bending stress induced due to the weight and compare it to the maximum comp. stress. R= 20mm t= 12mm. 2. Draw the expression for the second moment (I) basing on min-wall hollow cylinder. 3. Find the principal stress σ1, σ2, τx1y1, and the angle θp for point C and D shown.

Q1] A bending moment due to load applied on the head of femur bone which is offset by a distance (x= 50 mm) off the bone center for a person standing in relaxation.His weight is 70kg. 1. Find the maximum bending stress induced due to the weight and compare it to the maximum comp. stress. R= 20mm t= 12mm. 2. Draw the expression for the second moment (I) basing on min-wall hollow cylinder. 3. Find the principal stress σ1, σ2, τx1y1, and the angle θp for point C and D shown.

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter6: Stresses In Beams (advanced Topics)

Section: Chapter Questions

Problem 6.5.6P: The Z-section of Example D-7 is subjected to M = 5 kN · m, as shown. Determine the orientation of...

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Concept explainers

Bending Moment

In general, we can define the bending moment as the reaction induced when a certain amount of load or force is applied to an element which makes it bend.

Question

Q1] A bending moment due to load applied on the head of femur bone which is offset by a distance (x= 50 mm) off the bone center for a person standing in relaxation.His weight is 70kg.

1. Find the maximum bending stress induced due to the weight and compare it to the maximum comp. stress. R= 20mm t= 12mm.

2. Draw the expression for the second moment (I) basing on min-wall hollow cylinder.

3. Find the principal stress σ1, σ2, τx1y1, and the angle θp for point C and D shown.

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