If the wheel is subjected to a normal force of P-3.3 kN, determine the average shear stress developed in the pin. Neglect friction between the inner scaffold puller leg and the tube used on the wheel. Express your answer to three significant figures and include the appropriate units.
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- Solve the preceding problem if F =90 mm, F = 42 kN, and t = 40°MPaThe 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.The supporting wheel on a scaffold is held in place on the leg using a 4-mm-diameter pin as shown. (Figure 1) Figure P 1 of 1 Part A If the wheel is subjected to a normal force of P = 3.3 kN, determine the average shear stress developed in the pin. Neglect friction between the inner scaffold puller leg and the tube used on the wheel. Express your answer to three significant figures and include the appropriate units. μА Tavg= 65.652 N mm² Submit Previous Answers Request Answer Provide Feedback ? X Incorrect; Try Again; 4 attempts remaining
- In the figure shown below, set P = 48 lb, D1 = 8 in, D2 = 4 in, D3 = 4 in, and the bit diameter to 0.35 in. If the drill produces a torque T = 126 Ib*in, determine the normal stress along the z-axis for the element of material at point A, where the bit makes contact with the wall. Input your answer in units of ksi and be mindful of sign convention -e.i., tensile stresses are positive, compressive stresses are negative. areamstime D1 D2 y 4 3 dreaPlease answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. Draw appropriate FBDs showing how the internal forces were determined. A square bar (side length = 50 mm) is welded to a fixed supporting slab. A 30-mm diameter pin is inserted in the bar. When the loading shown is applied, determine the following: a. maximum normal stress in the bar (MPa) and bearing stress between the pin and the bar (MPa)b. stress in the weld between the bar and the supporting slab (MPa)c. shear stress in the pin (MPa) and shear stress in the bar (MPa)The lap joint is fastened with four 3/5 in-diameter rivets. The allowable normal stress in the plates is 30 ksi, allowable shearing stress is 24 ksi for the rivets and 28 ksi for the plates in bearing. Find the maximum safe axial load P that can be applied to the joint. Assume that the load is equally distributed among the rivets. Include the necessary FBDs showing the involved internal forces in the exploratory sections. Your solutions are invalidated without the required FBDs.
- estion 11 62.5 mm Кey 55° The cast iron block with cross-sectional dimensions of 62.5 mm by 62.5 mm consists of two pieces. The pieces are prevented from sliding along the 55° inclined joint by the steel key, which is 62.5 mm long. The working stresses are 275 MPa for cast iron in bearing and 345 MPa for the key in shear. If the block is loaded with P = 256 kN, calculate the required dimension "h" of the key. Write your final answer in 2 decimal places with the unit of mm.Answer the ff correctly. The rectangular bar shown is connected to a support bracket with a 24 mm diameter pin. The width of the rectangular bar is 70 mm and its thickness is 15 mm. The bearing stress in the bar cannot exceed 120 MPa. Determine the maximum value of Pmax that can be supported based solely on consideration of the bearing stress in the bar. Note: This question is not asking about any stresses in the support bracket...just bearing stress in the rectangular bar.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 = ____ ft
- 3) A 10 kN-m torque, T, and a 50 kN axial load, F, are applied to the end of an aluminum 6063 tank containing compressed air under a pressure of 2 MPa. The tank has a 400 mm outer diameter and a 20 mm wall thickness. Aluminum 6063 has a yield strength of 48 MPa. a. Draw and label a stress element for the most stressed point on the tank. Explain why this is the most stressed point. b. Sketch Mohr's circle and find the principal stresses at the most stressed point. Make sure you label your axes! c. Determine whether or not this is a safe loading scenario by considering the max normal stress, max shear stress, and distortion energy. (Hint - calculate the factor of safety for each failure criteria) TA 100-mm diameter solid bar is applied at the surface of the bar with a torque of 5kNm and a tensile force P acting 20-mm from its centerline, as shown in figure 3A. The maximum allowable normal and shear stresses of the material are 100 MPa and 80 MPa, respectively. A. Draw the Mohr's Circle showing the state of stress of the most stressed point of the assembly. Include all other pertinent points wherein its normal stress components are expressed in terms of the variable P. Using the illustration made from A: B. What will be the maximum tensile stress experienced by the material when it reaches its maximum shear stress capacity? C. What will be the maximum shear stress experienced by the material when it reaches its maximum normal stress capacity? D. What will be the maximum allowable value of P which may be applied at the bar such that the material will not fail? 100mm Figure 3A h 5kNm 20mm ➜→y -----→: X Figure 3BTwo vertical steel rods support the rigid bar as shown. Initially, the rods are stress-free. Given the data below, determine the stress of rods A and B after the 20 kN load is applied. Neglect the weight of the bar and use E = 200 GPa for steel. L= 3 m D = 3.5 mm A. Stress of rod A (MPa) B B. Stress of rod B (MPa) C. At what temperature AT change would the stresses for both rods be equal? Use a = 11.7 L= 4 m x 10-6 mm/mmC° (C°) D = 5 mm 4m 2m 2m 20 kN