3-151 A carbon steel ball with a 30-mm diameter is pressed against a flat carbon steel plate with a force of 20 N. Determine the maximum shear stress, and the depth in the plate at which it will occur.
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- The hollow drill pipe for an oil well (sec figure) is 6,2 in. in outer diameter and 0.75 in. in thickness. Just above the bit, the compressive force in the pipe (due to the weight of the pipe) is 62 kips and the torque (due to drilling) is 185 kip-in. Determine the maximum tensile, compressive, and shear stresses in the drill pipe.Answer p1 and Part 2: Determine the shear force acting at each of the following locations:(a) x = 11.0- ft (i.e., just to the left of point B)(b) x = 11.0+ ft (i.e., just to the right of point B)(c) x = 28.5 ftNote that x = 0 at support A. When entering your answers, use the shear-force sign convention detailed in Section 7.2.Answers: a) V = ____ kips b) V = ____ kips c) V = ____ kips Part 3: Determine the bending moment acting at each of the following locations:(a) x = 11.0 ft (i.e., at point B)(b) x = 28.5 ftNote that x = 0 at support A. When entering your answers, use the bending-moment sign convention detailed in Section 7.2. Answers: a) M = ____ kips-ft b) M = ____ kips-ft Part 4: Use your shear-force and bending-moment diagrams to determine the maximum bending moment, Mmax, and its location, xmax. Use the bending-moment sign convention detailed in Section 7.2.Answers: Mmax = ____ kips-ft xmax = ____ ftAn aluminum alloy cylindrical roller with diameter 1.25 in and length 2 in rolls on the inside of a cast-iron ring having an inside radius of 6 in, which is 2 in thick. Find the maximum contact force F that can be used if the shear stress is not to exceed 4000 psi.
- 3-103: A circular rod with a diameter of 10.0 mm has a groove cut to a diameter of 8.0 mm. A full radius of 1.20 mm is produced at the bottom of the groove. Compute the maximum stress in the rod when an axial tensile force of 5500 N is applied.5.1 Please help. Provide Free Body Diagram, labeled with appropriate quantities to better understand. Also solve. Thank you.4. Solve this with a clear solution to avoid confusion.
- A pipe carrying steam at 3.5 MPa has an outside diameter of 450 mm and a wall thickness of 10 mm. A gasket is inserted between the flange at one end of the pipe and a flat plate used to cap the end. How many 40-mm-diameter bolts must be used to hold the cap on if the allowable stress in the bolts is 105 MPa, of which 55 MPa is the initial stress? What circumferential stress is developed in the pipe? Why is it necessary to tighten the bolt initially, and what will happen if the steam pressure should cause the stress in the bolts to be twice the value of the initial stress? *The bent pipe has a 1.5-in. outer diameter and a 0.2-in. wall thickness. Calculate the largest shear stress that occurs in (a) segment BC; and (b) segment AB. Neglect the stress due to the transverse shear force.The 1.5-in diameter solid steel shaft is simply supported at the ends. Two Pulleys are keyed to the shaft where pulley B is of diameter of 4 in and pulley C is of diameter of 8 in. Transverse shear stress needs to be considered. 2) At cross section B, determine the normal stress at points E, F, and G, and the shear stress at point E and F. (cross section B is on the right side of pulley B, and G is the midpoint of EF). y 10 in 200 lbf 1000 lbf B 10 in 500 lbf 100 lbf 10 in Z F G E y
- The figure shows 16-mm diameter bolts used to hold two steel plates by fitting inside a cylindrical spacers. Thenormal stress must not to exceed 230 MPa in the bolts and 160 MPa in the spacer. Determine the outer diameterof the spacer.Link AB, of width b = 2 in. and thickness t = 1414 in., is used to support the end of a horizontal beam. The average normal stress in the link is -18 ksi and the average shearing stress in each of the two pins is 12 ksi. Determine the average bearing stress (ksi). **The way I had solved it was that I used the given normal stress to first find the P force needed to plus into my bearing stress formula. I still however need the diameter. The answer key says to use the given shear stress equation to find the diamter, how do you know to use that and not the shear stress formula again?The cylinder for a hydraulic press has an inside diameter of 300 mm and an outside radius of 260 mm. Find the maximum shear stress in the cylinder for an internal pressure of 221 MPa.