Can someone please help me with the first, third and forthproblem on this page?
ID: 1821026 • Letter: C
Question
Can someone please help me with the first, third and forthproblem on this page? I think the first problem answer is E, thesecond problems answer is B, and the third problems answer is A.Can someone verrify this for me or let me know if I made a mistake?Thank you for the help. Will rate LIFESAVER! http://img.photobucket.com/albums/v603/huntingrdr/scan0011.jpg Can someone please help me with the first, third and forthproblem on this page? I think the first problem answer is E, thesecond problems answer is B, and the third problems answer is A.Can someone verrify this for me or let me know if I made a mistake?Thank you for the help. Will rate LIFESAVER! http://img.photobucket.com/albums/v603/huntingrdr/scan0011.jpg
Explanation / Answer
15 - yes it is in equilibrium... x components and y componentscancel. 17 - The joints are treated as being in equilibrium, so it can't beB. 18 - Safety factor of 2.8. The actual breaking point is(2850/1200=)2.8 times the advertised value