You’ve conducted tensile testing of the aorta and constituent proteins with the results show below. Estimate the modulus of elasticity for (A) collagen and (B) elastin. (C)Discuss how the properties of each extracellular protein contributes to the mechanical behavior of the aorta at high and low strain.

You’ve conducted tensile testing of the aorta and constituent proteins with the results show below. Estimate the modulus of elasticity for (A) collagen and (B) elastin. (C)Discuss how the properties of each extracellular protein contributes to the mechanical behavior of the aorta at high and low strain.

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter11: Fluid Statics

Section: Chapter Questions

Problem 77PE: During heavy lifting, a disk between spinal vertebrae is subjected to a 5000-N compressional force....

See similar textbooks

Similar questions

A load of 300 N acts on a bar having a cross- sectional area of 0.6 mm2. The stress developed in the bar is C Select one: a. 500 Pa b. 450 Pa c. 500 MPa O d. 450 MPa
2. A material is 250 cm long, 8 cm wide and 10 cm deep. The material is subjected to an axial force of 4500kN resulting to an expansion of 3cm. calculate for stress, strain, and the young's modulus of elasticity for the material.
3. A copper wire LM is fused at one end, M to an iron wire MN as shown in figure below. M N F The copper wire has length 0.90 m and cross-section area 0.90 x10-6 m². The iron wire has length 1.40 m and cross-section area 1.30 x10-6 m². The compound wire is stretched and the total length increases by 0.01 m. Given Yıron = 2.10 ×1011 Pa and Give Ycopper = 1.30 ×1011 Pa. Determine a. the ratio of the extension of copper wire to the extension of iron wire, b. the extension of each wire, and c. the applied force to the compound wire. [1.5, 4.0 mm, 6.0 mm, 780 N]
The dimensions of the Shear Strain is Select one: O a. MLT-2 O b. MLT-1 O c. dimensionless O d. ML-1T-2 O e. ML-1T-1
If the maximum stress in the elastic limit for a piece of plastic is 350 MPa (mega-Pascals), what will happen to the plastic after it is subjected to a 355 MPa stress? A. It will permanently deform. B. It will return to its original shape. C. It will fracture. D. It depends on the strain. A
3. How large a force is necessary to stretch a 2.0-mm diameter copper wire (-11x 1010 Nm.) by 1.0%? a. 5.4 kN b. 3.5 kN c. 11kN d. 6.9 kN e. 2.1 kN
Q5. A specimen having a square cross section of dimensions 4 mm × 4 mm is to be subjected to a tensile load. Ifthe specimen is to experience neither plastic deformation nor an elongation of more than 3 mm when the applied load is 500000 N which of the two metal Copper. E= 35 x 10° pa www Silver E= 150 x 10°pa Aare possible candidates? Justify your choice(s)?
29. A 3m long steel bar whose diameter is 25 mm is compressed by a 25 KN force. If the value of the modulus of elasticity (E) for steel is 200 GPa, what is the stress developed in the steel bar?A. 93.50 MPa B. 50.93 MPa C. 35.90 MPa D. 59.03 MPa
4. A steel shaft 4 ft long that has a diameter of 5 in is subjected to a torque of 20 kip-ft. Use a standard G = 12 x 106 psi. a. Set up the equations of stress and twisting angle that is required to solve the problem. b. Determine the maximum shearing stress and the angle of twist
1. Considering only shearing stress in the lap joint, does the load capacity change when the plate's thickness or width is increased? Why? W Plan Elevation II. In the above examples, the lap joint uses the same diameters of rivets. How about if the plates are joint with different diameters of rivets? Does the formula (t = P/A) can still be used? Explain.
Question 6 To preserve your two favorite trophies, you have coated both trophies with a 1 mm protective layer of silicone. 5.0 g of silicone are used to coat the 60 g trophy. a) If the larger trophy has a mass of 480 g, what is the mass of the 1 mm layer of silicone? b) When placed on your shelf, the layer of silicone on the bottom of each trophy experiences a compressive stress. Determine the ratio of stresses for the two layårs. # 2 nephew parti- cipant
7- Question 7. The following true stress-strain curve for a carbon nanofiber/epoxy with CaCO3 nanoparticles embedded in the matrix is represented in the figure bellow. Calculate the followings: a) K and n of stress-strain equation o=K ɛ". b) modulus of elasticity. c) toughness. 700 600 500 400 300 200 100 0.5 1 1.5 2 2.5 3 3.5 4 Strain % Stress (MPa)