80 mm20 mm7 mmMMClick to see additional instructionsCalculate the minimum Safety Factor if the radius r = 5mm and M= 17.5 Nm. The material is mild steel with Sy = 220 MPa.Fill in the answers below and make sure of the unit.4. The second moment of area: I=mm4.5. Maximum normal stress in beam: o =MPa.6. The safety factor: SF =

Answered: Image /qna-images/answer/6ee5cd0a-c683-49f0-b9bf-f97c8d2407da.jpg

Answered: 80 mm 20 mm 7 mm M M Click to see…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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A flat bar with a hole (see figure) has widths b = 60 mm and c = 40 mm. The fillets have radii equal to 5 mm. What is the diameter dmax of the largest hole that can be drilled through the bar without reducing the load carrying capacity?
Find the max shear stress in bending in the cross section below if Vmax = 10 kips. 10" Flange 2" Web 2" 8" Flange 2" 10" • Identify where in the cross section the max shear will occur. Determine the thickness of the cross-section at the location you wish to find shear stress. • Calculate the Ix for the shape (assume bending in the x with most basic beams). • Calculate Q by dividing the section into two pieces at the point you want shear stress. Select one of the pieces (either will work), I picked the top piece. Use the Shear Stress equation to determine the requested stress. Compare you answer: Max shear stress = at the center of the cross section.
Q3: A hexagonal cross section bar as shown in Figure (2) below, is used as a simply supported beam. The beam carries a central load of 60 kN. Draw the shear stress distribution diagram for a section of the beam at quarter of the beam length from the left hand support. Figure (2) 25 mm 30° 30°
Total Change in length?
Mechanical Engineering Question
Required Ihmai -- Q4/ A curved beam of a round cross section is shown in figure 3. The beam is made of a plain carbon steel 3OC8 (oy = 400 N/mm2) and the factor of safety is 3.5. Determine the dimensions of the beam Q4/* kN R= 4D Figure 3 ×ト kN O D= 21.53 mm D = 19.03 mm O D= 20.10 mm 23.30 m
Two vertical forces of P = 240 lb are applied to a simply supported beam shown below having the given cross section shown below. Using a = 30 in., L = 84 in., b = 3.0 in., d = 4.0 in., and t = 0.5 in., calculate the bending stresses produced in the top and bottom of the beam.
The bar in the figure below is made from standard acrylic plastic (E = 2960 MPa). Compute the total change in length, δof the shaft due to the loadings shown.
In the figure below, a built-in bar of length L 600 mm is forced by a force that makes 0-60 months with the horizontal. Since the intensity of the force is F =40kN draw bending moment and shear force diagrams. You then calculate the stresses at maximum tensile and maximum bass and show where they occur. (Cross section of the bar bxh-85 mm x 150 mm - 150 mm)
A 3-in. by 6-in. steel (E-29,000 ksi) bar (4-foot long) is subjected to the loads shown. Calculate the combined stresses at points A and B (be sure to indicate either tension or compression). Remember, the bar is bending in the strong direction so calculate your I accordingly. 1(1/12) (B)"(H) S=l/c A B. 6" 10,000 lbs 45,000 Ibs
A 28 mm diameter rod with a 30 mm diameter handle as shown in Figure Q1 has two 90 degree bends. The handle is attached to the wall at 'A' while 1.8kN load is applied at the end of the rod at 'E'. Calculate Maximum Shear Stress at location 'A' and 'B' and determine it critical location. Bending load at point 'A'? Bending load at point 'B'? (Nm) Torsion load at rod; 'T'? Normal Stress due to bending load at point 'A'? (MPashear Stress due to torsion load at point 'A'? (MPa) 1st Principle stress at point 'A' (max principle stress)? (MPa Maximum shear stress at point 'B'? Critical Location? (L1) 170 $30- (L2) в 470 $28- F= 1.8kN| E 300 100 (L3) D Figure Q1

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