answer number 2 only Problems:1. A square aluminum bar should not stretch more than 1.4 mm when it is subjected to a tensile load.Knowing that E = 70 GPa and that the allowable tensile strength is 120 MPa, determine the maximumallowable length of the bar.2. An aluminum rod shown has a circular cross-section and is subjected to an axial load shown.Determine the total elongation of the rod when the load is applied. Take E=70 GPa.- 250 mm-300 mm30 kN40 kNda =150 mmd 200 mm3. The rigid bar ABC is supported by a pin at A and a steel rod at C. Determine the largest vertical load Pthat can be applied at B if the stress in the steel rod is limited to 30 ksi and the vertical movement ofpoint B must not exceed 0.01 in. Neglect the weights of the members.SteelL- 4 ftA- 0.50 inE- 29 x 10* psi4. The horizontal bar shown is supported by a pin at A and two rods with identical length. Determine thestress in each rod when the force W = 10 kips is applied.SteelA = 0.5 inE- 29 x 10° psiBronzeA - 2 in?E- 12 x 10° psi-3 ft6 ft3 ft

Answered: Image /qna-images/answer/37de2a35-f7a3-4911-bba1-1b75b0fedb3e.jpg

2. An aluminum rod shown has a circular cross-section and is subjected to an axial load shown. Determine the total elongation of the rod when the load is applied. Take E=70 GPa. 250 mm- 300 mm- 30 kN 40KN da-150 mm d 200 mm

2. An aluminum rod shown has a circular cross-section and is subjected to an axial load shown. Determine the total elongation of the rod when the load is applied. Take E=70 GPa. 250 mm- 300 mm- 30 kN 40KN da-150 mm d 200 mm

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Time and time related variables in engineering

Time is the event progression starting from past to present and then, future statistically. The time-related variable is any particular value in relation to time to assess its changes on a specified (XY) plane.

Question

answer number 2 only

Problems:
1. A square aluminum bar should not stretch more than 1.4 mm when it is subjected to a tensile load.
Knowing that E = 70 GPa and that the allowable tensile strength is 120 MPa, determine the maximum
allowable length of the bar.
2. An aluminum rod shown has a circular cross-section and is subjected to an axial load shown.
Determine the total elongation of the rod when the load is applied. Take E=70 GPa.
- 250 mm-
300 mm
30 kN
40 kN
da =150 mm
d 200 mm
3. The rigid bar ABC is supported by a pin at A and a steel rod at C. Determine the largest vertical load P
that can be applied at B if the stress in the steel rod is limited to 30 ksi and the vertical movement of
point B must not exceed 0.01 in. Neglect the weights of the members.
Steel
L- 4 ft
A- 0.50 in
E- 29 x 10* psi
4. The horizontal bar shown is supported by a pin at A and two rods with identical length. Determine the
stress in each rod when the force W = 10 kips is applied.
Steel
A = 0.5 in
E- 29 x 10° psi
Bronze
A - 2 in?
E- 12 x 10° psi
-3 ft
6 ft
3 ft

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