Need help for engineering homework
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Need help for engineering homework

[From: ] [author: ] [Date: 13-04-02] [Hit: ]
Thanks in advance for the help.-Your answer for a is correct.For b, observe that the truck with suspended mass will pivot about point B.so 2900*Mmax * 9.8 = 2000 * 3200 kg * 9.......
Hi, I have some engineering homework and I can't figure out how to do some of the questions. I would appreciate it if someone could help me undertand these questions. The question has a diagram in it, so I have uploaded the sheet and it can be found at the following link:
http://i1308.photobucket.com/albums/s613…

I have done the first question but the other two I am not really sure how to do. I have done the first question in my book, if you need it please let me know and I will upload that too.

Thanks in advance for the help.

-
Your answer for a is correct.

For b, observe that the truck with suspended mass will pivot about point B.
The tipping point occurs when the CCW moment of the suspended mass equals the CW moment of the truck's cg acting at distance 2000 from B
so 2900*Mmax * 9.8 = 2000 * 3200 kg * 9.8 and Mmax = 2207 kg

For c use E = Stress (in pa) / strain (ratio)
The stress is the force carried by the strand divided by its cross sectional area
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