Given a column that is 208 inches long, with a Cross sectional Area of 10 in2,...
Given a column that is 208 inches long, with a Cross sectional Area of 10 in2, and moments of inertia Ix = 300 in4 and Iy=177 in4, calculate the slenderness ratio. (answer to 2 decimal places)
What is the required cross sectional area, A, of a short column loaded with a force P = 16 kips and an allowable stress, Fa= 21 ksi? (answer to one decimal point, in units of in2 - do not include units in your answer)
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Given a column that is 208 inches long, with a Cross sectional
Area of 10 in2,...
A steel rod with a cross-sectional area of 0.25 in2 is stretched between two fixed points....
A steel rod with a cross-sectional area of 0.25 in2 is stretched between two fixed points. The tensile force in the rod at 70 oF is 1,200 lb. Use α = 6.5 x 10-6/ oF and E = 29 x 106 psi. What will be the stress in ksi at 0 oF ? Use two decimal places.
3. Bar AC is rectangular in cross-section and has a cross-sectional area of 0.5 in2. The...
3. Bar AC is rectangular in cross-section and has a cross-sectional area of 0.5 in2. The stress-strain behavior of the material is shown below. Construct the (internal) axial force diagram for Bar AC. Then compute / provide the total deformation in the bar (between A and C) B 8 kip C 5 kip 5 ft a(ksi) 40 20 0.001 0.021 -e (in/in.)
7. A 6 ft long steel rod has a cross-sectional area of 0.08 in2. How much...
7. A 6 ft long steel rod has a cross-sectional area of 0.08 in2. How much does the rod stretch under an axi- al tensile load of 400 lb? Report the answer in inches.
2 in. . Given the beam's cross-sectional area, find the moment of inertia of the area...
2 in. . Given the beam's cross-sectional area, find the moment of inertia of the area about the y-, X-, and x'-axis and the minimum radius of gyration. • Answer: ly=54.7 in4, ry=1.65 in Engineering Mechanics: Statics, 12th Ed. By R. C. Hibbeler. Prentice Hall 2010. All Rights Reserved. 20 . .... 11
A marble column of cross-sectional area 0.50 m2 supports a mass of 32000 kg . The...
A marble column of cross-sectional area 0.50 m2 supports a mass of 32000 kg . The elastic modulus for marble is 5.0×1010N/m2. Part A Part complete What is the stress within the column? Express your answer to two significant figures and include the appropriate units. stress = 6.3×105 Nm2 SubmitPrevious Answers Correct Part B What is the strain on the column? Express your answer using two significant figures. strain = 1.26•10−6 SubmitPrevious AnswersRequest Answer
A marble column of cross-sectional area 0.50 m2 supports a mass of 32000 kg . The...
A marble column of cross-sectional area 0.50 m2 supports a mass of 32000 kg . The elastic modulus for marble is 5.0×1010N/m2. Part A Part complete What is the stress within the column? Express your answer to two significant figures and include the appropriate units. stress = 6.3×105 Nm2 SubmitPrevious Answers Correct Part B What is the strain on the column? Express your answer using two significant figures. strain = 3•10−2 SubmitPrevious AnswersRequest Answer
The cross-section of a beam is shown below. The top rectanular piece of the cross-section is...
The cross-section of a beam is shown below. The top rectanular
piece of the cross-section is a steel section 6 inches wide by 8
inches deep. The dimensions of the member are shown below in the
table. The cross-section is loaded in bending by a moment about the
zz-axis. The allowable bending stress of the cross-section is 42
(ksi).
Determine:
a) the elastic centroid of the cross-section.
b) the yield moment.
c) the plastic centroid of the cross-section
d) the...
Problem 9.41 Part A A marble column of cross-sectional area 1.2 m supports a mass of...
Problem 9.41 Part A A marble column of cross-sectional area 1.2 m supports a mass of 13000 kg. The elastic modulus for marble is 5.0 × 1010 N/m2 What is the stress within the column? Express your answer to two significant figures and include the appropriate units stress= 1.1×105M Submit My Answers Give Up Correct Part B What is the strain on the column? Express your answer using two significant figures. strain = 2.2.1013 Submit My Answers Give Up Incorrect;...
Problem 9.42 A marble column of cross-sectional area 1.6 m² supports a mass of 23200 kg...
Problem 9.42 A marble column of cross-sectional area 1.6 m² supports a mass of 23200 kg . The elastic modulus for marble is 5.0 x 1010 N/m² Part A By how much is the column shortened if it is 8.2 m high? Express your answer to two significant figures and include the appropriate units. ? CH PÅ Al = Value O 2 Units Submit Previous Answers Request Answer
The bronze bar 3-m long with a cross-sectional area of 350 mm2 is placed between two...
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 oC, there is a gap Δ = 2.2 mm, as shown in the
figure. Use α = 18 x 10-6/ oC and E = 80 GPa.
(A)What is the increase in temperature in oC at which
the compressive stress in the bar will be 30 MPa? (B) What is the
final temperature in oC at which the...
3. Bar AC is rectangular in cross-section and has a cross-sectional area of 0.5 in2. The stress-strain behavior of the material is shown below. Construct the (internal) axial force diagram for Bar AC. Then compute / provide the total deformation in the bar (between A and C) B 8 kip C 5 kip 5 ft a(ksi) 40 20 0.001 0.021 -e (in/in.)
7. A 6 ft long steel rod has a cross-sectional area of 0.08 in2. How much does the rod stretch under an axi- al tensile load of 400 lb? Report the answer in inches.
2 in. . Given the beam's cross-sectional area, find the moment of inertia of the area about the y-, X-, and x'-axis and the minimum radius of gyration. • Answer: ly=54.7 in4, ry=1.65 in Engineering Mechanics: Statics, 12th Ed. By R. C. Hibbeler. Prentice Hall 2010. All Rights Reserved. 20 . .... 11
The cross-section of a beam is shown below. The top rectanular
piece of the cross-section is a steel section 6 inches wide by 8
inches deep. The dimensions of the member are shown below in the
table. The cross-section is loaded in bending by a moment about the
zz-axis. The allowable bending stress of the cross-section is 42
(ksi).
Determine:
a) the elastic centroid of the cross-section.
b) the yield moment.
c) the plastic centroid of the cross-section
d) the...
Problem 9.41 Part A A marble column of cross-sectional area 1.2 m supports a mass of 13000 kg. The elastic modulus for marble is 5.0 × 1010 N/m2 What is the stress within the column? Express your answer to two significant figures and include the appropriate units stress= 1.1×105M Submit My Answers Give Up Correct Part B What is the strain on the column? Express your answer using two significant figures. strain = 2.2.1013 Submit My Answers Give Up Incorrect;...
Problem 9.42 A marble column of cross-sectional area 1.6 m² supports a mass of 23200 kg . The elastic modulus for marble is 5.0 x 1010 N/m² Part A By how much is the column shortened if it is 8.2 m high? Express your answer to two significant figures and include the appropriate units. ? CH PÅ Al = Value O 2 Units Submit Previous Answers Request Answer
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 oC, there is a gap Δ = 2.2 mm, as shown in the
figure. Use α = 18 x 10-6/ oC and E = 80 GPa.
(A)What is the increase in temperature in oC at which
the compressive stress in the bar will be 30 MPa? (B) What is the
final temperature in oC at which the...
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