Part of a control linkage for an airplane consists of a rigid member CBDand a flexible cable AB. Diameter of cable AB is 25 mm.P.a) If a force applied to the end D of the member causes it to rotate by 0.3 degrees,determine the normal strain in the cable. The cable is initially unstretched.-400 mm-b) Separately, if the force applied causes a normal strain of 0.0035 mm/mm in the cable,determine the displacement of point D.c) Given P = 5 kN, determine reactions at pin C and force along cable AB. Obtain the averageBnormal stress along cable AB.d) Draw the state of stress on a volume element taken at any point along the300 mmportion BD of the control armA-400 mm-

To find (a) The normal strain in cable AB initially when member CBD rotates by 0.3°. (b) The…

Answered: Part of a control linkage for an…

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 rigid steel bar is supported by three rods, as shown. There is no strain in the rods before the load P is applied. After load P is applied, the normal strain in rod (2) is 1020 μin./in. Assume initial rod lengths of L1 = 148 in. and L2 = 78 in. Determine(a) the normal strain in rods (1).(b) the normal strain in rods (1) if there is a 0.043 in. gap in the connections between the rigid bar and rods (1) at joints A and C before the load is applied.(c) the normal strain in rods (1) if there is a 0.043 in. gap in the connection between the rigid bar and rod (2) at joint B before the load is applied.
Question 3 3. A string 4 mm in diameter has original length 2 m. A force of 200 N. pulls the string. If the final length of the spring is 2.02 m, determine: (a) stress (b) strain (c) Young's modulus.
A composite rod of overall length of 200 mm comprised of a steel rod and brass rod attached rigidly to the end. The diameter and the length of the steel rod is 10 mm and 120 mm, respectively, the diameter and the length of the brass rod as 20 mm and 80 mm respectively. The rod is used as a tie in a link mechanism and the strain in the brass rod is limited to 0.0053. Given that the total extension of the composite rod must not exceed 0,1624 mm and E for steel is 200 GPa, respectively. Calculate : A) Strain in the steel rod B) Load carried by the steel and the brass rods C) Modulus of elasticity for the brass. Can you please resend that question as it appears to be blank??
Prove that the sum of the normal strains in perpendicular directions is constant, i.e., Px + Py = Px′ + Py′
Question # 1 Fig 2 shows an unstressed aluminum plate 2/4 inches thick. A circle of 9.5 inches diameter is scribed on it. Normal stresses of 15 ksi and 22 ksi, along x and y direction, are caused by forces acting in the plane of the plate. For Poisson's ratio 4 and modulus of elasticity 10 *10^6psi,then determine the following (a)change in the length of diameter AB (b)change in diameter CD (c)variation in the plate thickness (d)the volume change of the plate
A metal wire is 2.5 mm diameter and 2000 mm long. A force of 10 Napplied to it and it extension 0.3 mm. Assume the material is elastic.Determine the:1- Stress, and2- Strain
A steel rod is subjected to a gradually applied load (F) which gave a rise to a maximum stress of 200 MPa. The rod is 250 mm long and one part of its length is square and the remainder is circular with a diameter of 25 mm. If the total strain energy in the rod and modulus elasticity of the material is 1.3 J and 200 GPa, determine the following:1.The applied load F2.The total extension of the bar3.The length of the square portion of the bar4.The suddenly applied load that will induce the same amount of energy 5.The load that falls from a height of 8 mm induces 1,3 J in the bar.
Question 1A rod with a diameter of 30 mm and a length of 600 mm is subjected to an axial force of 60 kN which causes an elongation of 0.30 mm. Determine the stress in the rod, the strain, and the modulus of elasticity of the material.
What strain will be produced by a stress of 80 x 106 N/m2, for a given modulus of elasticity 200GPa. a. 0.0008 b. 0.0004 c. 0.004 d. 0.002
The normal strain in a suspended bar of material of varying cross section due to its own weight is given by the expression γy/3E where γ = 2.9 lb/in.3 is the specific weight of the material, y = 3.4 in. is the distance from the free (i.e., bottom) end of the bar, L = 17 in. is the length of the bar, and E = 24000 ksi is a material constant. Determine, (a) the change in length of the bar due to its own weight. (b) the average normal strain over the length L of the bar. (c) the maximum normal strain in the bar.
The force P causes point A to be displaced vertically by 1.60 mm A) Determine the normal strain developed in wire AB B) Determine the normal strain in wire AC
A rod is subjected to a tensile force. The strain developed under loading is 2%. Which of the following measurements will be the resultant length of the rod if its initial length is 200 mm? a. 196 mm b. 208 mm c. 210 mm d. 204 mm e. 202 mm

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