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- A plastic board with length X and mass Y is leaning against a frictionless wall. The plastic b. made an angle of 65º w/ resp. to the rough floor. The plastic b. is in static eqlbrium hence the board does not slip. Calculate the minimum friction coefficient between the plastic b. and the ground. Please write the solutions clearly and completely. Thank you.The 350-kg uniform I-beam supports the load shown. Determine the reactions at the supports. -5.7 m- +2.3 m B Answers: Ax Ay= By= i Mi 260 kg N N NThe 455-kg uniform I-beam supports the load shown. Determine the reactions at the supports. -8.7 m- +3.3 m B Answers: Ax- Ay = By= i 345 kg N N N
- The two structural members, one of which is in tension and the other in compression, exert the indicated forces on joint O. Determine the magnitude of the resultant R of the two forces and the angle which R makes with the positive x-axis. The angle is measured counterclockwise from the positive x-axis. 4.2 KN 1.6 kN Answers: R= i 0= i 28° // 20/000 HOT N lad wwwww 63° KN OCalculate the reaction on the supports, draw a shear force diagram, and a bending moment diagram.The 465-kg uniform I-beam supports the load shown. Determine the reactions at the supports. Answers: Ax= Ay= By= i -5.9 m- 3.1 m 200 kg zzz