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- What are the reaction forces on the latch an djoint in the gate below? And in case thefloodgate is reversed (concave)? *The gate is a cylinder room with length L = 5 mPressure cooker containing air at STP has been heated and after sometimes, it was observed that the temperature inside the pressure cooker reached 250C. Assuming the volume to remain constant, determine the force (kN) necessary to compensate the safe opening of the pressure cooker lid if the diameter of the lid is 30cm.The density of a floating object can be determined by tying just enough weight to the object to submerge it completely, and then weighing the weights and object separately in the air. Consider a wood log that weights 1600 N in air. It is found that it takes 42 kg of lead (????? = 11,300 ?? ?3 ⁄ ) to just submerge the log in the water (i.e. to achieve neutral buoyancy). For the conditions given, find thefollowing:a. The volume of the log in m3.b. The average density of the log in kg/m3For this problem, take the density of water to be ?????? = 1000 ??/ ?3.
- The uniform 5-m-long round wooden rod in Fig. istied to the bottom by a string. Determine ( a ) the tension inthe string and ( b ) the specifi c gravity of the wood. Is it possiblefor the given information to determine the inclinationangle θ ? Explain.Janice is grilling a steak for her July 4th barbecue dinner. The steak initially weighs 300 grams and is 25 mm thick. After grilling it for a while, she considers the steak done, and measures it again: it now weighs 215 grams, and is 15 mm thick. For both the cooked and uncooked steak, she uses the thumb-test to determine the done-ness, i.e. she uses her thumb (area ~5cm2) to push down with a force of 5 N. The uncooked steak compresses by 7 mm, and the cooked steak by 2 mm. Calculating elasticity What is the elasticity of the raw steak? Express your answer in Pascals but without including the units in your answer. What is the elasticity of the cooked steak? Express your answer in Pascals, but without including the units.A 200 kg, 5 m wide rectangular gate is hinged at B and leans against the floor at Amaking an angle of 45 degrees with the horizontal (figure above). Determine theminimum force F, applied at the center of the gate required to open it.
- An experiment was conducted using a communicating vessel to knowthehydraulic pressure. The communicating vessel consists of two column, XandY. Column X has a diameter of 15 cm and column Y of 75 cm. Oil (s = 0.852) wasfilled to the communicating vessel. A load of 1275 N was given to the columnY. Determine the minimum force that should be given to column Xso that theload can be lifted and the density of oil !I need to draw a free body diagram and the solution F=406NA vertical force P exerted on a lever AB holds a 20 kg mass M from falling, as shown in Fig 9-42. The coefficient of friction between the lever and the 300 mm drum is 1/4. Neglect the mass of the drum and lever, and determine the force P to hold the mass. Give soulution. (ans. P = 327 N)
- - A 3.5m - high . 5m wide rectangular gate is hinged at the top edge at A and is restrained by a fixed ridge at B. Determine the force exerted on the gate at Point BThe barometric pressure at the base ofmountain is 750 mm Hg and at the top is600 mm Hg. If the average air density is1kg/m3, the height of mountain (in m) isapproximately- A 1500 B 2040 C 7500D 1200Repeat Prob. 4.152 assuming that the 400-kN force is applied at O instead of L.