Mechanics of Materials, 7th Edition
7th Edition
ISBN: 9780073398235
Author: Ferdinand P. Beer, E. Russell Johnston Jr., John T. DeWolf, David F. Mazurek
Publisher: McGraw-Hill Education
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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
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reaches 8 MPa, determine the magnitude P of the axial load that
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16 mm
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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
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Fig. P1.29 and P1.30
Chapter 1 Solutions
Mechanics of Materials, 7th Edition
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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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- Only 1.35 plzarrow_forwardPart 1 please, refer to the image.... PART 2 Determine the shear force acting at each of the following locations: (a) x = 2m (b) x = 6m (c) x = 9m (d) x = 12m Answer: (a) V= ________________kN (b) V= ________________kN (c) V= ________________kN (d) V= ________________kN PART 3 Determine the bending moment acting at each of the following locations: (a) x=4m (b) x = 8 m (c) x = 10 m When entering your answers, use the bending moment sign convention. Answers: (a) M= ________________kN-m (b) M= ________________kN-m (c) M= ________________kN-marrow_forwardA chain block is hanged on a pin which is supported by plates on both side as shown. If the maximum safe load capacity is 3000 lb, determine (a) the shearing stress on the shaft having a diameter of 1.75 in. (b) and the thickness of the plates if the bearing stress on the plates is 20% greater than the shearing stress.arrow_forward
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