I think I have misunderstanding in the meaning of "tensile strength". I just solved the problem, and got the similar answer from the problem sheet. I thought tensile strength = the allowable force of extending steel, but it was not.
The attached files are my solution for this problem.
I know some of words are not English, you may ignore it.
My problem solving step for this problem is
1) find the reaction force at A (I took moment at B and C to find out vertical and horizontal force of pin A.
2) Since Pin A is...
Could anyone can explain to me how you get the right answer? I know it's a basic question, but it's my first time to learn mechanics. It will be really helpful to me. Thx.
Vadar2012, don't be sarcastic.
My purpose of posting this question is to learn from people who are professional
in...
Does anyone help me to solve this problem in the attached file?
When I solved this problem, I got wrong answers.
Attached file is the image file with the problem and answer. (Question No.3)
I think I have to find allowable shear stress of Pin A to find the safety factor of this pin...