The rigid bar ABC pivots about support B. After application of load P, end C of the rigid bar moves upward by 0.07 in. If the length of bar (1) is L₁-41 in, determine the average normal strain in bar (1). Assume that a 135 in, b-39 in, and c-0.15 in a Ic Rigid bar (1) X Incorrect Determine the distance that end A of the rigid bar moves downward, if end C moves upward by 0.07 in Answer: in 00361 VA Part 1

The rigid bar ABC pivots about support B. After application of load P, end C of the rigid bar moves upward by 0.07 in. If the length of bar (1) is L₁-41 in, determine the average normal strain in bar (1). Assume that a 135 in, b-39 in, and c-0.15 in a Ic Rigid bar (1) X Incorrect Determine the distance that end A of the rigid bar moves downward, if end C moves upward by 0.07 in Answer: in 00361 VA Part 1

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter7: Analysis Of Stress And Strain

Section: Chapter Questions

Problem 7.6.13P: A solid spherical ball of magnesium alloy (E = 6.5 × l0-6 psi, v = 0.35) is lowered into the ocean...

See similar textbooks

Similar questions

A solid spherical ball of magnesium alloy (E = 6.5 × l0-6 psi, v = 0.35) is lowered into the ocean to a depth of 8000 ft. The diameter of the ball is 9.0 in. (a) Determine the decrease ?d in diameter, the decrease, ?V in volume, and the strain energy U of the ball. (b) At what depth will the volume change be equal to 0.0324% of the original volume?
The rigid bar ABC pivots about support B. After application of load P, end C of the rigid bar moves upward by 0.06 in. If the length of bar (1) is L₁ = 51 in, determine the average normal strain in bar (1). Assume that a = 135 in., b=32 in., and c = 0.06 in. 4₁ 1 a Rigid bar B b
The two bars are used to support load P. When unloaded, joint B has coordinates (0, 0). After load P is applied, joint B moves to the coordinate position (-0.47 in., -0.16 in.). Assume a - 17 ft, b-34 ft, c-12 ft, and d - 24 ft. Determine the normal strain in each bar. Answer: EAB- T EBC i P a e (1) B UE με b (2) C d
A thin polymer plate PQR is deformed such that corner Q is displaced downward a distance L = 0.10 in. to new position Q' as shown. Determine the magnitude of the shear strain at Q' associated with the two edges (PQ and QR). P 25 in. 7982 μrad 6862 μrad 09533 μrad O6186 prad O8600 μrad 4 in. R 10 in. L X
The pole is supported by a pin at B and A-36 steel guy wire AC. If the wire has a diameter of 0.2. Modulus of Elasticity of Steel = 200GPA or 29x103 ksi Poisson's ratio of steel=0.321 a. Determine how much the wire stretches when the horizontal force acts on the pole. 3 ft 30 D 2.5 kip 4 ft B b. Determine the change in the wire's radius c. At what angle is the principal stresses on pole BC? Use Mohr's Circle. d. What is the principal stress in pol BC? Use Mohr's Circle e. Draw the stresses on a unit element acting on 35-degree clockwise direction of pole BC. Use Mohr's Circle. f. What are the principal stresses in point D? Use Mohr's Circle. (answer in ksi) g. At what angle is the principal stresses acting on point D? Use Mohr 's Circle. h. Draw the stresses on a unit element acting on 35degree-clockwise direction of point D. Use Mohr's Circle. (answer in ksi)
Determine the change in length, width and thickness of steel bar which is 4m long, 30mm wide and 20mm thick and is subjected to an axial pull of 30 kN in the direction of length. Take E = 200 GPa and poison's ratio of 0.3. Also determine the volumetric strain and change in volume.
The rigid body ABC is connected by two links and is exerted by force P as shown aside. If the normal strain in link BE is 0.5x10°, the normal strain in link AD is: -3 D E A 2 m PV 1 m Select one: -3 a. 4.5×10 b. 1.5x10° c. 1.0×10 -3 d. 3.0×10 -3 e. 0.75x10 f. None 3 m 1.5 m.
A pipe is subjected to a tension force of P = 70 kN. The pipe outside diameter is 32 mm, the wall thickness is 6.0 mm, and the elastic modulus is E = 180 GPa. Determine the normal strain in the pipe. P Select one: O a. 0.001263 mm/mm O b. 0.000535 mm/mm O c. 0.000568 mm/mm O d. 0.000794 mm/mm e. 0.001382 mm/mm O f. None
The strain at a point is 780x10-6 in the x, 400x10-5 in the y and -500x10-6 in the z direction. Determine the stress state if the Young's modulus is 10,640 ksi and v = 0.33.
The two bars are used to support load P. When unloaded, joint B has coordinates (0, 0). After load P is applied, joint B moves to the coordinate position (-0.55 in., -0.17 in.). Assume a = 10 ft, b = 20 ft, c = 7 ft, and d = 14 ft. Determine the normal strain in each bar. Answer: EAB || A EBC= i P a (1) y B με με b (2) C d
The normal strain in a suspended bar of material of varying cross section due to its own weight is given by the expression yy/3E where y=2.4 lb/in.³ is the specific weight of the material, y = 0.6 in. is the distance from the free (i.e., bottom) end of the bar, L = 6 in. is the length of the bar, and E=30000 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. Answer: (a) 5 = 1 (b) Sa (c) Emax= i x10-6 in. με με
For the state of a plane strain with εx, εy and γxy components: (a) construct Mohr’s circle and (b) determine the equivalent in-plane strains for an element oriented at an angle of 30° clockwise. εx = 255 × 10-6 εy = -320 × 10-6 γxy = -165 × 10-6