Deformable Bodies Normal Forces and Stresses

 

 

Two aluminum bars shown in the figure below (modulus of elasticity EAl = 70 GPa) are attached to rigid support at the left and a rigid crossbar at the right. The rigid crossbar at the right can move laterally (i.e., left and right). A steel bar (ESt = 210 GPa) is attached to the rigid support at the left, and there is a gap b = 0.5 mm between the right end of the steel bar and the rigid crossbar. The cross-sectional area of each bar is A = 400 mm2 and L = 250 mm. The steel bar is stretched until it contacts the crossbar and THEN is welded to it. For this final state (after welding), please do the following: 1. Draw a free body diagram by passing a plane through the right ends of the three bars. (2 points) 2. Write the equilibrium equation. (2 points) 3. Write the compatibility condition; (2 points) 4. Determine the normal forces in the bars. (2 points) 5. Calculate the normal stresses in the bars and identify the type of stress in each bar (tension or compression). (2 points)

 

 

Sample Solution

 

 

 

 

 

Sancho Panza as Governor in Don Quixote

When Sancho Panza served Governor Don Quijote while perusing Don Quijote, I feel that numerous individuals might want to know whether Sancho Panza can administer his island . Sancho vowed to give riches and administration, so I consented to be achy to go home for Don Quixote. As the book goes on, Sancho’s fantasy won’t work out and he won’t become a senator. Commonly in the book, Sancho inquired as to whether his lord truly needed to go to his island, and Don Quixote consistently justified that he would do as such.

Sancho Panza is a helpless rancher of Don Quixote. It is poor however fat and short. For reasons unknown, Sancho consented to be achy to visit the family for Don Quixote, Don Quixote was clearly irate. He played Don Quixote’s adversary, and when Don Quixote hurried to meet his envisioned adversaries, he was powerless and covetous to Don Quixote’s undeniable non-materialistic hypothesis. Yet, he demanded all the undertakings of Don Quixote. What’s more, he assumed that the knight was an excellent companion toward the finish of the book. Sancho Panza puts forth a valiant effort for the family, takes cash to them, to his nephew, and is mindful so as not to lose him. Sancho Panza is additionally extremely straightforward. Since he consented to be achy to visit the family for Don Quixote. What’s more, a significant number of his axioms are consistently obsolete and pointless. I like Sancho Panza in light of the fact that we talked entertainingly with unusual conduct and straightforward disposition.

After some time claiming to be sound, Don Quixote asked the neighbor Sancho Panza to be pining to go home and promised him a little administration (insula). Sancho is a poor and basic rancher, yet it is more down to earth than the Don Quixote in the cloud, concurs with this proposition and crawls up with Don Quixote at sunrise. Starting with the assault on the windmill of Don Quixote, their celebrated experience started. The following two individuals met a gathering of priests who sat on a carriage with a similar woman. Wear Quijote was tested by outfitted Basque individuals who looted ladies as wizards of these ministers, thumped priests from ponies and promptly ventured to every part of the organization. As he didn’t have a shield, Basque utilized a cushion to ensure himself, and when Don Quixote hit him, he spared him. Cervantes picked this in a fight and said that his source finished here.

 

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