Engineering Problems and Solutions: Forces in Mechanical Systems, Notas de estudo de Engenharia de Petróleo

Baixe Engineering Problems and Solutions: Forces in Mechanical Systems e outras Notas de estudo em PDF para Engenharia de Petróleo, somente na Docsity! 3/13 Determine the force P that the 80-kg worker must exert on the rope in order to support him- self in the bosun's chair. What force R does the man exert on the seat of the chair? Ans. P = 157 N, R = 628 N Problem 3/13 3/50 The uniform horizontal boom has a mass of 240 kg and is supported by the two cables an- chored at B and C and by the ball-and-socket joint at O. Calculate the tension T'm cable AC. Ans. T= 13ION Problem 3/50 4/53 Calculate the total force supported by the pin at A under the action of the 500-N force and the 300-N-m couple. Ans. A - 422 N 300 N 1.2m 3.0m 2.4m Problem 4/53 3/65 The rigid member ABC is attached to the verti- cal x-y surface by a ball-and-socket joint at A and is supported by the cables BE and CD. The mass of the member may be neglected. com- pared with that of the 5-t load which it supports. There is one position of D along the horizontal slot through which the cable must be passed and secured for the member to maintain the position shown. Find x. Ans. x = 3.75 m