Do not round intermediate calculations. Give your final answer(s) to three significant figures. When the force...
Do not round intermediate calculations. Give your final answer(s) to three significant figures. The 5.2 × 10.4-in. timber beam has been strengthened by bolting to it the steel reinforcement shown. The modulus of elasticity for wood is 1.8 × 106 psi and for steel 29 x 106 psi. Knowing that the beam is bent about a horizontal axis by a couple moment ol50 kip in. determine the maximum stress in the wood. 5.2 in 04 in 4.1 × ½ in....
Do not round intermediate calculations. Give your final answer(s) to three significant figures. An extruded aluminum beam has the cross section shown. Knowing that the vertical shear in the beam is 200 kN, determine the shearing stress at point a . 8 16 80 40 80 Dimensions in mm MPa
Question Do not round intermediate calculations. Give your final answer(s) to three significant figures. The stress-strain diagram shown has been drawn from data obtained during a tensile test of a specimen. If E -27 x 10 psi, determine (a ) the modulus of resilience of the material, (b) the modulus of toughness of the material. o (ksi) 100 . 40 0%--0021 0.22 0.27 0.003 Part 1 out of 2 in. Ib/in3 References Multipart Answer Chapter: 11- Energy Methods
Do not round intermediate calculations. Give your final answer(s) to three significant figures. 144 MPa 96 MPa For the state of stress shown, determine two values of σ, for which the maximum shearing stress is 180 MPa Hint Sketch Mohr's circle for 3-dimensional stresses in terms of σ' Consider both cases, cv > ơx and and Do not round intermediate calculations. Give your final answer(s) to three significant figures. 144 MPa 96 MPa For the state of stress shown, determine...
Do not round intermediate calculations. Give your final answer(s) to three significant figures. Three boards, each 2 in. thick, are nailed together to form a beam that is subjected to a vertical shear. Knowing that the allowable shearing force in each nail is 250 lb, determine the allowable shear if the spacings between the nails is 5 in.
Do not round intermediate calculations. Give your final answer(s) to three significant figures. 2.00 in. The change in diameter of a large steel bolt is earefully measured as the nut is tightened. Knowing that E -29 x 10 psi and y 0.32, determine the internal force in the bolt, if the diameter is observed to decrease by 0.55 x 103 in. kips
Do not round intermediate calculations. Give your final answer(s) to three significant figures. Rod B D is made of steel (E -29 x 10* psi) and is used to brace the axially compressed member ABC. The maximum force that can be developed in member BD is 0.02P. If the stress must not exceed 18 ksi and the maximum change in length of BD must not exceed 0.001 times the length of AB C, determine the smallest-diameter rod that can be...
Do not round intermediate calculations. Give your final answer(s) to three significant figures. For the given state of stress, determine the normal and shearing stresses after the element shown has been rotated through 21° clockwise. 93 MPa 28 MPa 67 MPa MPa MPa ry
Do not round intermediate calculations. Give your final answer(s) to three significant figures. 100 kN 90 mm 100 kN Two steel plates of uniform cross section 9 x 90 mm are welded together as shown. Knowing that centric 100-kN forces are applied to the welded plates and that ß - 29°, determine (a) the in-plane shearing stress parallel to the weld, MPa corresponding normal MPa
Do not round intermediate calculations. Give your final answer(s) to three significant figures. For the beam and loading shown, consider section n-n and determine the largest shearing stress in that section. 1/2 in 20 kips 20 kips 7 in 3 in. 1/2 in i n 14 in 10 in.14 in