Answered: Z b y h L

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter9: Moments And Products Of Inertia Of Areas

Section: Chapter Questions

Problem 9.46P

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Question

2: A rectangular aluminum block is loaded uniformly in three directions. The loadings are as follows:
a 50 kN total resulting compressive load in the x-direction, a 200 kPa uniformly distributed tensile load in the
y-direction, and a 0.03 MN total resulting tensile load in the z-direction. The block has the following dimensions:
L = 1 m, b = 20 cm, h = 350 mm. Use E = 70 GPa and ν = 0.25.
Determine the strain in the x and y axes respectively.
For the strain in the y-direction to be equal to 0, how much uniformly distributed load in
the surface of y-direction should be added? (+ for tensile, - for compressive)

Answers:

5 -1.122 x10-5 / 3 decimals

6 5.102 x10-6 / 3 decimals

7 -0.357 MPa / 3 decimals