The grains of wood in the board make an angle of 20° with the horizontal as shown. Using Mohr's circle, determine the normal and shear stresses that act perpendicular and parallel to the grains if the board is subjected to an axial load of P 280 N (Figure 1)

Mechanics of Materials (MindTap Course List)
9th Edition
ISBN:9781337093347
Author:Barry J. Goodno, James M. Gere
Publisher:Barry J. Goodno, James M. Gere
Chapter7: Analysis Of Stress And Strain
Section: Chapter Questions
Problem 7.2.17P: A simply supported beam is subjected to point load P at mid-span. The normal stress on an element at...
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Read the question carefully... Please solve the question by using Mohr's circle method 

Problem 9.62
The grains of wood in the board make an angle of 20° with the
horizontal as shown. Using Mohr's circle, determine the normal
and shear stresses that act perpendicular and parallel to the
grains if the board is subjected to an axial load of P = 280 N
(Figure 1)
Part A
Determine the normal stress.
Express your answer to three significant figures and includes
HA
Figure
K 1 of 1
Value
Units
Submit
Request Answer
Part B
300 mm
60 mm
Determine the shear stress.
20
Express your answer to three significant figures and include
25 mm
HA
Value
Units
Tey
Unknown (1).pdf
Unknown.pdf
Transcribed Image Text:Problem 9.62 The grains of wood in the board make an angle of 20° with the horizontal as shown. Using Mohr's circle, determine the normal and shear stresses that act perpendicular and parallel to the grains if the board is subjected to an axial load of P = 280 N (Figure 1) Part A Determine the normal stress. Express your answer to three significant figures and includes HA Figure K 1 of 1 Value Units Submit Request Answer Part B 300 mm 60 mm Determine the shear stress. 20 Express your answer to three significant figures and include 25 mm HA Value Units Tey Unknown (1).pdf Unknown.pdf
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