3-45 For the beam shown, determine (a) the maximum tensile and compressive bending stresses, (b) the maximum shear stress due to V, and (c) the maximum shear stress in the beam. 1800 lbf in 300 lbf/in A 3 in 1 in |-10 inska 30 in 3 in Cross section (enlarged) Problem 3-45

Question: 3-46 A cantilevered beam is loaded as shown. The cross-section at the wall is shown with points of interest A (at the top), B (at the center), and C (midway between A and B). (a) Sketch the stress elements at points A, B, and C. Calculate the magnitudes of the stresses acting on the stress elements. Do not neglect transverse shear stress.

(c) Draw shear-force and bending-moment diagrams for the shaft. If needed, make one set for the horizontal plane and another set for the vertical plane. (d) At the point of maximum bending moment, determine the bending stress and the torsional shear stress.

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The maximum shear stress in a solid round bar of diameter, d, due to an applied torque, T, is given by Tmar 16T (d) A round, cold-drawn 1018 steel rod is subjected to a mean torsional load of T=1.4 kN.m with a standard deviation of 180 N.m. The rod material has a mean shear yield strength of Ssy = 312 MPa with a standard deviation is 15 MPa.

SHEAR STRESS Find fv max for the beam shown below. P = 4800 lb at midspan L = 18 ft – 12 in NA 9.25 in Question 1 Points out of 1.00 P Flag question Not yet answered V = Select one: a. 21600 lbs. o b. 1200 lbs. c. 86,400 lbs/in2 .

A torque of 7 kN⋅m is applied to end A. The shear modulus of elasticity for Am1004-T61 magnesium alloy is 18 GPa, and for A-36 steel is 75 GPa. (Figure 1) A) Determine the maximum shear stress in magnesium. B) Determine the maximum shear stress in steel. C) Determine the shear stress on the inside surface of the magnesium tube.

The allowable normal stress for both structural members is 100 MPa, and the allowable shear stress at all connections is 75 MPa. Two structural members ABC and BD ( shown below ) are connected by a 1 5 mm diameter pin at B , and subjected to a vertical

Question: (2) 3—46 (modified) A cantilever beam is loaded as shown. The cross-section at the wall is shown, with points of interest A (at the top), B (at the center), and C (midway between B and and the bottom edge). (a) Calculate the bending stress and transverse shear stress at Points A, B, and C. (b) Sketch the stress elements at A, B, and C.

Analyze the stress situation in rod AB by obtaining the following information. (a) Determine the precise location of the critical stress element. (b) Sketch the critical stress element and determine magnitudes and directions for all stresses acting on it. (Transverse shear may only be neglected if you can justify this decision.)