Q2: A bar of steel, having a rectangular cross-section of 7.5 cm by 2.5 cm (see figure below), carries an axial tensile load of 180 kN. Given that, Young's modulus, E, is 200 GN/m2 and Poisson's ratio, v, is 0.3. Estimate: 1- The normal stress in the bar. 2- The change in the length, if its original length before the load is applied is 100 cm. 3- The lateral strain. 4- The decrease in the length of the sides of the cross-section. Marks) 7.5 cm 2.5 cm 180 kN 180 kN 100 cm

Q2: A bar of steel, having a rectangular cross-section of 7.5 cm by 2.5 cm (see figure below), carries an axial tensile load of 180 kN. Given that, Young's modulus, E, is 200 GN/m2 and Poisson's ratio, v, is 0.3. Estimate: 1- The normal stress in the bar. 2- The change in the length, if its original length before the load is applied is 100 cm. 3- The lateral strain. 4- The decrease in the length of the sides of the cross-section. Marks) 7.5 cm 2.5 cm 180 kN 180 kN 100 cm

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

See similar textbooks

Related questions

Q: n(s) n(1) t(1) 0.344 O 0.316 O 0.810 CUSTOMERS CUSTOMERS CUSTOMERS 4.26 0.92 0.68 3.45 0.22 0.01…

A: Answer: 0.190 Rationale: RHO for a single server model (as per table) = 0.810 RHO represents the…

Q: The figure (not drawn to scale) shows a metallic cylindrical column submitted to a combined load:…

Q: a) Find the moment of force Fabout point O and express it in CVN. Mo k) N.m b) Find the y coordinate…

Q: Estimate: 1- The normal stress in the bar. 2- The change in the length, if its original length…

Q: Home Work :- A hydraulic cylinder as show in the figure is subjected to a compressive force (F) at…

Q: The BC rod, which is assumed to be rigid and massless in Figure, stands horizontally with the help…

A: Draw the deflection diagram. From the deflection diagram, the relation between deflections is,

Q: -A cast irón column has internal diameter of 200 mm, What should be the minimum external diameter so…

Q: What is the minimum required diameter of the rod if the factor of safety for tension failure is F.S.…

A: Given,load, P = 11 kN = 11,000 NFailure stress, σ= 60 Mpa = 60 N/mm2Factor of safety, FS =…

Q: A bronze bar 3 m long with a cross sectional area of 320 mm2 is placed between two rigid walls as…

A: Given data: A=320 mm2∆=2.5 mmTi=0°Cσ=35 MPaα=18×10-6 m/m.°CE=80 GPaL=3 m Need to determine the final…

Q: The vertical rectangular cross section column shown in Fig. Ql-B is pinned at both ends. Assuming…

A: **According to the guidelines we can answer only three sub-parts, please re-post the question to the…

Q: Q2-B//a bar of 3m long and 25mm diameter at 70°C is gripped at ends and cooling to 30°C,the total…

Q: A plate of 0.5m x 0.3m having 0.01m thickness is subjected for loads as shown in the figure. The…

Q: how many times is the system safe

A: For solution refer below images.

Q: 5. An angle bracket ABC is restrained by a high- strength steel wire CD, and it supports a load P at…

Q: A steel rod, circular in cross section, tapers from 2.5 cm diameter to 1.25 cm diameter in a length…

Q: Quiz 2: A bronze bar 3 m long with a diameter of 20 mm is placed between two rigid walls as shown in…

A: Given data as per question Length of pipe =3 m Diameter of pipe =20 mm Gap =0.5 mm compressive…

Q: A 500 kg mass is hung by a steel rope as shown in the following figure: a. What is the minimum…

Q: As shown in the figure below, three steel wires, each 0.05 in² in area, are used to lift a load W =…

A: L1 = 64.98 ft L2 = 64.99 ft L3 = 65.00 ft A = area of each wire = 0.05 in2 W = 1300 lb It is…

Q: Practice Problems P2. A uniformly tapering rectangular rod is subjected to load as shown in the…

A: A uniformly tapered rod is one in which the cross-section varies uniformly throughout its length. If…

Q: A solid circular rod with a a circular groove (r = 1.5 mm) and diameter D = 18 mm, Q4 is subjected…

A: The value of the diameter (d), is: d=D-2r=18-2(1.5)=15 mm Now use the Poison's ratio (0.32) and…

Q: 2:The load (50 kN) applied on the rigid beam (AB) s supported by the pin (A) and two rods ,one made…

Q: x = A cylindrical rod is made of three segments and is subjected to axial loads as indicated in the…

A: Basic concept used for tension and compression,If a force is acting away from the section, it will…

Q: Two initially straight bars are joint together and attached to support as shown in Figure 4. Let us…

Q: 21 A rigid block AB of weight W hangs on three equally spaced vertical wires, two of steel and one…

Q: Т2 KN KN MPa MPA MPa MPa

A: Given data as per questiondimensions of steel plate = 2.5 x 1.5 x 0.08 m weight of the steel plate=…

Q: A tensile load of 6 kN at 25 C was applied to a steel rod stretching between two rigid walls as…

A: Given: F= 6 kN T=25°Cα=12.2 μm/(m°C)E=200 GPaσ=150 MPa

Question

إجابتك
Q2: A bar of steel, having a rectangular
cross-section of 7.5 cm by 2.5 cm (see
figure below), carries an axial tensile load of
180 kN. Given that, Young's modulus, E, is
200 GN/m2 and Poisson's ratio, v, is 0.3.
Estimate: 1-The normal stress in the bar. 2-
The change in the length, if its original
length before the load is applied is 100 cm.
3- The lateral strain. 4- The decrease in the
length of the sides of the cross-section.
Marks)
7.5 cm
2.5 cm
180 kN
180 kN
100 cm

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step 3

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 3 steps with 3 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, mechanical-engineering and related others by exploring similar questions and additional content below.

Similar questions

Ql: : Rigid bar ABCD is loaded and supported as shown in Figure. Bar (1) is made of bronze [E-100 GPa] and has a cross sectional area of 520 mm. Bar (2) is made of aluminum [E=70 GPa] and has a cross-sectional area of 960 mm?. After the load P is applied, the force in bar (2) is found to be 30 kN. Determine: (a) The stress in bar (1) and bar (2). (b) The load P. (c) The displacement at point A. (2) aluminum 0.8 m B 0.4 m 1.1 m 0.5 m 0.6 m (1) bronze
The rod shown in the figure has two cross-sectional areas, where the area of the larger cross-section is 6 times larger than the smaller. The rod is subjected to three point loads, P₁, P2, and P3 at points B, C, and D, respectively. You may assume that the bar deforms in a linear-elastic manner. The cross section of the small rod is equal to A = 2 in² and the modulus of elasticity is equal to E = 20,000 ksi. a) Find the support reactions at A and E, if P₁ = b) Draw the axial force diagram. c) Identify how the position of point C changes due to the applied loadings. A 12 in B P₁ 11 in C 10 kips, P₂ = 20 kips and P3 = 40 kips. P₂ 11 in D P3 E the axu 12 in
Q1 (а) A hollow circular post ABC as shown in Figure Q1 (a) supports a load P, = 65B5 N acting at the top. P2 is applied around the cap plate at B. The outer diameters and thicknesses of the upper and lower parts of the post are dAB = 30 mm, tu =1A mm, dzc = 50 mm, and t3c =9 mm , respectively. A=1 B=0 (i) Calculate the normal stress o AR on the upper part of the post. (ii) If it is desired that the lower part of the post have the same compressive stress as the upper part, what should be the magnitude of the load P,? (111) If Pi remains at 65B5 N and P2 is now set at 10050 N, what is the new thickness of BC that will result in the same compressive stress in both parts?
3) The rigid horizontal bar AB is supported by three vertical rods as shown in the figure and carries the load of 110 kN. The system is stress free before the load is applied. After the load was applied, the temperature of all wires is raised by 20°C. Use a = 12x10-6/°C for steel, a = 18x10-6/°C for copper and a = 20x10-6/°C_for brass. Neglecting the weight of the bar AB, determine the location of the 110 kN force in order that AB remains horizontal. copper bar: A=195mm? steel bar: brass bar: A=130mm? A=325mm A D 110 kN Note: copper=110 GPA Brass=97 GPA Steel= 200 GPA 3.00m 2.00m 1.80m 1.20m 1.50m
Answer quickly
4. A steel rod of length L and uniform cross sectional area A is secured between two walls, as shown. Use L=1.7 m, E = 200 GPa, a = 11.9 × 10-6 /°C and AT = 70 °C. Calculate the stress for a temperature increase of AT for: a) The walls are fixed. b) The walls move apart a distance 0.4 mm. (20 pts)
Gkuestrons T ØD VP The figure (not drawn to scale) shows a metallic cylindrical column submitted to a combined load: bending and torsion. The column contains an hemispherical groove of radius r, located at a distance L from the point of application of the loads. You are given the column diameter D = 68 mm, the groove radius r = 6 mm, the distance L= 200 mm, the bending load P=5 kN, and the torque T = 600 N.m. The material data are Young's modulus E = 122 GPa Shear Modulus G = 55 GPa Poisson's ratio v= 0.1 and Yield strength oy = 380 MPa. a) Write a numbered list of the calculation steps required to obtain the factor of safety in yielding based on the maximum distortion energy (Von Mises) criterion.
2.2-4 A steel cable with a nominal diameter of 25 mm (see Table 2-1) is used in a construction yard to lift a bridge section weighing 38 kN, as shown in the figure. The cable has an effective modulus of elastic- ity E = 140 GPa. (a) If the cable is 14 m long, how much will it stretch when the load is picked up? (b) If the cable is rated for a maximum load of 70 kN, what is the factor of safety with respect to failure of the cable? ▬▬
2-) Consider the thin (steel) plate in figure given below. The plate has a uniform thickness t= 1 cm., Young's modulus E = 25 x 10° N/cm?, and weight density p= 0,2448 N/cm³. In addition to its self-weight, the plate is subjected to a point load P = 200 N at its midpoint. (Please be careful for the units.) (a) Model the plate with two finite element. 12 cm (b) Write down expressions for the element stiffness matrices and 18 cm element body force vectors. (c) Assemble the structural stiffness matrix K and global load 36 cm vector F.(' P =200N (d) Using the elimination approach, solve for the global displacement vector Q. (e) Evaluate the stresses in each element. ( -. X 6 ст
An aluminum rod is rigidly attached between a steel rod and a bronze rod as shown in the figure below. Axial loads are applied at the positions indicated. Find the maximum value of P that will not exceed a stress in steel of 200 MPa, in aluminum of 115 MPa, or in bronze of 145 MPa. Aluminum A = 400 mm2 Bronze A = 200 mm2 Steel A = 500 mm² P 2P 4P 2.5 m 2.0 m 1.5 m
Q.3. The bronze bar 3 m long with a cross-sectional area of 350 mm2 is placed between two rigid walls. At a temperature of -20 °C, there is a gap A 2.2 mm, as shown in Figure (3). Find the temperature at which the compressive stress in the bar will be 30 MPa. Use a = 18 x 10/°C and E 80 GPa. 0.4. For the beam shown in Fiqune (4)
A slip collar with weight W = 150 pounds falls from a height h = 2 inch. Towards a flange located at the bottom of a vertical slender bar. The bar has a length L = 4 feet and a section area transversal A = 0.75 in2 and its modulus of elasticity is E = 30 x 106 psi. Calculate the following amounts: a) the maximum downward displacement of the flange b) The maximum tensile stress in the bar c) The impact factor.