A bar ABC is pinned at A and attached to a 12-mm diameter steel cable BD. a. If the allowable tensile stress in the steel cable is 140 MPa, what is the maximum safe value of the load Fapplied as shown in the diagram? b. What is then the shearing stress developed in the 20-mm diameter pin support at A? c. What is the bearing stress between the pin and the 25-mm thick support plates at A? 2 m 2.5 m B 75 mm- 3 m 25-mm thick 20-mm pin support diameter pin plates Detail of support A connection at A
A bar ABC is pinned at A and attached to a 12-mm diameter steel cable BD. a. If the allowable tensile stress in the steel cable is 140 MPa, what is the maximum safe value of the load Fapplied as shown in the diagram? b. What is then the shearing stress developed in the 20-mm diameter pin support at A? c. What is the bearing stress between the pin and the 25-mm thick support plates at A? 2 m 2.5 m B 75 mm- 3 m 25-mm thick 20-mm pin support diameter pin plates Detail of support A connection at A
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Question
A bar ABC is pinned at A and attached to a 12-mm diameter steel cable BD.
a. If the allowable tensile stress in the steel cable is 140 MPa, what is the maximum safe value of the load F applied as shown in the diagram?
b. What is then the shearing stress developed in the 20-mm diameter pin support at A?
c. What is the bearing stress between the pin and the 25-mm thick support plates at A?
Transcribed Image Text:A bar ABC is pinned at A and attached to a 12-mm diameter steel cable BD.
a. If the allowable tensile stress in the steel cable is 140 MPa, what is the maximum safe value of the
load Fapplied as shown in the diagram?
b. What is then the shearing stress developed in the 20-mm diameter pin support at A?
c. What is the bearing stress between the pin and the 25-mm thick support plates at A?
2 m
2.5 m
B
75 mm-
3 m
25-mm thick
20-mm
pin support
diameter pin
plates
Detail of support
A
connection at A
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