sheared. Problem 115 What force is required to punch a 20-mm-diameter hole in a plate that is 25 mm thick? The shear strength is 350 MN/m2. The resisting area is the shaded area along the perimeter and the shear force is equal to the punching force . answer Problem 116 As in Fig. 1-11c‚ a hole is to be punched out of a plate having a shearing strength of 40 ksi. The compressive stress in the punch is limited to 50 ksi. (a) Compute the maximum thickness of plate in which
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Tensile Strength Report | Materials in Practice CP4088/CP8011 | By Clinton Chang | Synopsis This experiment is to find out the tensile strength of different plastic materials. The four plastic materials used are General Purpose Polystyrene (GPPS)‚ High Impact Polystyrene (HIPS)‚ High Density Polyethylene (HDPE) and Polypropylene (PP). By using three samples from each plastic material type‚ we are able to obtain the mean tensile strength‚ mean tensile modulus and mean yield strength of each
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Taking the Strengths Quest assessment has been enlightening for me. Because of the assessment‚ I now know what core traits drive me and my personality. Now that I am conscious of these strengths‚ I can continue to use them to become a better leader. To be a great leader‚ one must know their strengths and play to them. My strengths are deliberative‚ intellection‚ harmony‚ competition‚ and input. I now know that these five strengths will guide me and my leadership philosophy. These five strengths can guide
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The History of Basketball The multi-million dollar‚ money making game of basketball has came a long way since its humble beginning. The sport of basketball was born at a training school in Springfield‚ Massachusetts. For a century‚ basketball was played with soccer balls and peach baskets. With outstanding players‚ evolving rules and records set‚ basketball has became an international sensation. This sport is enjoyed by people of all financial statuses and has transcended gender barriers. This
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were then later revised by the YMCA and the National Collegiate Athletic Association in 1912‚ "the number of players was set at six per team‚ the size of the court was increased to 35 by 60 feet‚ and rotation of players before service was established." The game of volleyball was increasingly being improved upon and was also being adapted so that young adults were to play and enjoy it more since volleyball was a sport that was first introduced to older men at the YMCA by William G. Morgan. Volleyball
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problem 261 A steel rod with a cross-sectional area of 0.25 in2 is stretched between two fixed points. The tensile load at 70°F is 1200 lb. What will be the stress at 0°F? At what temperature will the stress be zero? Assume α = 6.5 × 10-6 in/(in·°F) and E = 29 × 106 psi. Solution 261 For the stress at 0°C: answer For the temperature that causes zero stress: answer problem 262 A steel rod is stretched between two rigid walls and carries a tensile load of 5000 N at 20°C. If the
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History of Volleyball: Who invented volleyball? William G. Morgan (1870-1942) born in State of New York‚ USA. He was a director of physical education at the Young Men’s Christian Association (YMCA). Why was volleyball invented? Mr Morgan was looking for a game that was less violent and intense than basketball (a popular and new sport at that time) that would be suitable for the older people Where was volleyball invented? Holyoke (State of Massachusetts‚ USA) How was volleyball invented
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grew in the United States‚ it is now played and watched in more than 150 countries. When Dr. Naismith invented the game basketball‚ he was a physical education teacher at the International Training School of the Young Men’s Christian Association (YMCA) in Spring Field‚ Massachusetts. It was winter‚ and his students needed a fast-paced game that could be played indoors. After a lot of thinking he finally decided of a game where players would be throwing a ball into baskets. So he attached a couple
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Test A. Introduction As shown by the Griffith criterion‚ tensile strength of brittle materials is theoretical 1/8 of the compressive strength. Typically‚ tensile strength of rock materials is about 1/10 to 1/8 of the compressive strength. Hence‚ rock fails easily under tension. In design‚ rock should be subjected to minimum tensile stress. Several methods are commonly used to test the tensile strength of rocks: 1. Direct tensile test: Metal caps are cemented to the
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done. After that week I got back in the gym‚ and kept playing every day as usual. I went to all of their games because I loved the sport and I wanted to support my friends. After the season ended everything went back to normal‚ we kept going to the YMCA every day. Now school has ended and summer league starts. Coach put me on Jr. Varsity just too test my skills and the first game‚ it was the best game of my life. I dunked the ball on a fast break and I couldn’t miss. I was the star player and that
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