EBK MECHANICS OF MATERIALS
7th Edition
ISBN: 8220102804487
Author: BEER
Publisher: YUZU
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Textbook Question
Chapter 1.2, Problem 17P
When the force P reached 1600 lb, the wooden specimen shown failed in shear along the surface indicated by the dashed line. Determine the average shearing stress along that surface at the time of failure.
Fig. P1.17
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1.26 part B thanks
1.16 Two wooden planks, each 12 mm thick and 225 mm wide, are
joined by the dry mortise joint shown. Knowing that the wood
used shears off along its grain when the average shearing stress
reaches 8 MPa, determine the magnitude P of the axial load that
will cause the joint to fail.
16 mm
16 mm
25 mm
50 mm
Pl
P'
50 mm
25 mm
295 mm
Fig. P1.16
.29 Two wooden members of uniform rectangular cross section
are joined by the simple glued scarf splice shown. Knowing that
P= 11 kN, determine the normal and shearing stresses in the
glued splice.
150 mm
15
75 mm
Fig. P1.29 and P1.30
Chapter 1 Solutions
EBK MECHANICS OF MATERIALS
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- 125 mm 75 mm 1,32 Two wooden members of uniform cross section are joined by the simple scarf splice shown. Knowing that the maximum allowable tensile stress in the glued splice is 500 kPa, determine (a) the largest load P that can be safely supported, (b) the corresponding shearing stress in the splice. 60" P' P1.32arrow_forward1. A circular piece of wood, 90mm in diameter, is used as a compression block. Determine the axial force F that can be safely applied to the block if the compressive stress in wood is limited to 20MPA and the shearing stress parallel to the grain is limited to 5MPA. The grain makes an angle of 15° with the vertical.arrow_forward1.3 (A). Define the terms shear stress and shear strain, illustrating your answer by means of a simple sketch. (Two circular bars.) one of brass and the other of steel, are to be loaded by a shear load of 30 kN. Determine(the necessary diametet of the bars (a) in single shear, (b) in double shear, if the shear stress in the two materials must not exceed 50 MN/m and 100 MN/m respectively. Ans: [27.6, 19.5, 19.5, 13.8mm.]arrow_forward
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