Mechanics of Materials
9th Edition
ISBN: 9780133409321
Author: HIBBELER, R. C.
Publisher: Pearson College Div
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Textbook Question
Chapter 3.5, Problem 3.5FP
Engineering stress and strain are calculated using the actual cross-sectional area and length of the specimen. True or false?
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Engineering stress and strain are calculated using the actual cross-sectional area and length of the specimen. True or false?
Manufacturing engineering-
A single strain gauge is mounted to measure the axial strain in a simple tensile member the recorded strain is 200 microstrain, what is the axial stress ?
a) If the member is of steel?
b) if the member is of aluminium ?
The modulus of elasticity of steel is 200 GPa and that of aluminium is 70 GPa
Hooke's law is used to correlate true stress and true strain in the plastic region of the stress/strain curve.
true or false
Chapter 3 Solutions
Mechanics of Materials
Ch. 3.5 - Define a homogeneous material.Ch. 3.5 - Indicate the points on the stress-strain diagram...Ch. 3.5 - Define the modulus of elasticity E.Ch. 3.5 - At room temperature, mild steel is a ductile...Ch. 3.5 - Engineering stress and strain are calculated using...Ch. 3.5 - As the temperature increases the modulus of...Ch. 3.5 - A 100-mm-long rod has a diameter of 15 mm. If an...Ch. 3.5 - A bar has a length of 8 in. and cross-sectional...Ch. 3.5 - A 10-mm-diameter rod has a modulus of elasticity...Ch. 3.5 - The material for the 50-mm-long specimen has the...
Ch. 3.5 - The material for the 50-mm-long specimen has the...Ch. 3.5 - If the elongation of wire BC is 0.2 mm after the...Ch. 3.5 - A tension test was performed on a steel specimen...Ch. 3.5 - Data taken from a stress-strain test for a ceramic...Ch. 3.5 - Data taken from a stress-strain test for a ceramic...Ch. 3.5 - Prob. 3.4PCh. 3.5 - 3-5. A tension test was performed on a steel...Ch. 3.5 - 3-6. A specimen is originally 1 ft long, has a...Ch. 3.5 - Prob. 3.7PCh. 3.5 - Prob. 3.8PCh. 3.5 - 3-9. The ?-? diagram for elastic fibers that make...Ch. 3.5 - Prob. 3.10PCh. 3.5 - Prob. 3.11PCh. 3.5 - Prob. 3.12PCh. 3.5 - A bar having a length of 5 in. and cross-sectional...Ch. 3.5 - The rigid pipe is supported by a pin at A and an...Ch. 3.5 - Prob. 3.15PCh. 3.5 - Prob. 3.16PCh. 3.5 - Prob. 3.17PCh. 3.5 - Prob. 3.18PCh. 3.5 - The stress-strain diagram for a bone is shown, and...Ch. 3.5 - The stress-strain diagram for a bone is shown and...Ch. 3.5 - The two bars are made of a material that has the...Ch. 3.5 - The two bars are made of a material that has the...Ch. 3.5 - Prob. 3.23PCh. 3.5 - Prob. 3.24PCh. 3.8 - A 100-mm-long rod has a diameter of 15 mm. If an...Ch. 3.8 - A solid circular rod that is 600 mm long and 20 mm...Ch. 3.8 - A 20-mm-wide block is firmly bonded to rigid...Ch. 3.8 - A 20-mm-wide block is bonded to rigid plates at...Ch. 3.8 - The acrylic plastic rod is 200 mm long and 15 mm...Ch. 3.8 - 3–26. The thin-walled tube is subjected to an...Ch. 3.8 - 3-27. When the two forces are placed on the beam,...Ch. 3.8 - Prob. 3.28PCh. 3.8 - Prob. 3.29PCh. 3.8 - The lap joint is connected together using a 1.25...Ch. 3.8 - The lap joint is connected together using a 1.25...Ch. 3.8 - Prob. 3.32PCh. 3.8 - Prob. 3.33PCh. 3.8 - A shear spring is made from two blocks of rubber,...Ch. 3 - The elastic portion of the tension stress-strain...Ch. 3 - The elastic portion of the tension stress-strain...Ch. 3 - The rigid beam rests in the horizontal position on...Ch. 3 - The wires each have a diameter of 12 in., length...Ch. 3 - The wires each have a diameter of 12 in., length...Ch. 3 - diameter steel bolts. If the clamping force in...Ch. 3 - The stress-strain diagram for polyethylene, which...Ch. 3 - The pipe with two rigid caps attached to its ends...Ch. 3 - The 8-mm-diameter bolt is made of an aluminum...Ch. 3 - An acetal polymer block is fixed to the rigid...
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- -Which of the following statement/s is NOT true?Strain is dimensionlessThe cross-sectional area affected by the rivets in a plate is πdtStrain is the total deformation of the body divided by its original length.Shear stress is directed parallel to the area upon which it acts. -Which statement is NOT true about ksi? *Kilo (psi).1000 lb1 x10^3 psi.1 x10^3 lb. -Tensile stresses and strain are considered:negative tensile stress and positive lengthnegative increase in lengthpositive increase in lengthpositive tensile stress and negative lengtharrow_forwardThe ratio of increase in length to the original length is known as tensile strain. Select one: True Falsearrow_forwardDRAW THE STRESS-STRAIN DIAGRAM AND LABEL IT PROPERLY.arrow_forward
- The ratio of shear stress to its strain is known as Modulus of elasticity. Select one: True Falsearrow_forwardA single strain gauge is mounted to measure the axial strain in a simple tensile member the recorded strain is 200 microstrain, what is the axial stress ? a) If the member is of steel? b) if the member is of aluminium ? The modulus of elasticity of steel is 200 GN/m² and that of aluminium is 70 GN/m²arrow_forwardWhich of the following is an accurate statement? (A) The lateral strain is greater than the axial strain. (B) The axial strain is greater than the lateral strain. (C) The lateral is twice that of axial strain. (D) The axial strain is twice that of the lateral strain.arrow_forward
- The flow curve equation is used to correlate true stress and true strain in the plastic region of the stress/strain curve True or Falsearrow_forwardWhat 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. 0.002arrow_forwardDuctile - Stress and Strain Graph.arrow_forward
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