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The uniform 30- by 40-in. trap door weighs 200 lb and is propped open by the light strut AB at the angle
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Engineering Mechanics: Statics
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- One of the smooth vertical walls supporting end B of the 235-kg uniform shaft is turned through a 30° angle as shown here. End A is supported by the ball-and-socket connection in the horizontal x-y plane. Calculate the magnitudes of the forces Pand Rexerted on the ball end Bof the shaft by the vertical walls Cand D. respectively. Assume a = 5.2 m, b- 1.6m. L-64m, and e = 30" Answers: P- 10 IN R=arrow_forwardThe jib crane is designed for a maximum capacity of 14 kN, and its uniform I-beam has a mass of 270 kg. Plot the magnitude R of the force on the pin at A as a function of x through its operating range of x = 0.2 m to x = 4.9 m. On the same set of axes, plot the x- and y- components of the pin reaction at A. Do these plots on a separate piece of paper. Then answer the following questions in Wiley Plus as a check for your work. (a) What is the value of R when x = 2.4 m? (b) What is the value of R when x = 4.5 m? (c) Determine the minimum value of R and the corresponding value of x. (d) For what value of R should the pin at A be designed? 1.6 m Questions: 25° 14 KN -3.5 m (a) If x = 2.4 m, R = (b) If x= 4.5 m, R= (c) The minimum value for R = i (d) The pin should be designed to hold i KN KN kN at x = i kN. marrow_forwardThe jib crane is designed for a maximum capacity of 14 kN, and its uniform I-beam has a mass of 270 kg. Plot the magnitude R of the force on the pin at A as a function of x through its operating range of x = 0.2 m to x = 4.0 m. On the same set of axes, plot the x- and y-components of the pin reaction at A. Do these plots on a separate piece of paper. Then answer the following questions in Wiley Plus as a check for your work. (You can disregard the plot, I only need a, b, c, and d)arrow_forward
- The jib crane is designed for a maximum capacity of 9 kN, and its uniform I-beam has a mass of 260 kg. Plot the magnitude R of the force on the pin at A as a function of x through its operating range of x = 0.2 m to x = 3.4 m. On the same set of axes, plot the x- and y- components of the pin reaction at A. Do these plots on a separate piece of paper. Then answer the following questions in Wiley Plus as a check for your work. (a) What is the value of R when x = 1.6 m? (b) What is the value of R when x = 3.2 m? (c) Determine the minimum value of R and the corresponding value of x. (d) For what value of R should the pin at A be designed? 32° x m 9 KN 1.0 m 2.6 m Questions: (a) If x= 1.6 m, R= i (b) If x= 3.2 m, R = i (c) The minimum value for R = i (d) The pin should be designed to hold i KN KN kN at x = i kN.arrow_forwardThe jib crane is designed for a maximum capacity of 6 kN, and its uniform I-beam has a mass of 230 kg. Plot the magnitude R of the force on the pin at A as a function of x through its operating range of x = 0.2 m to x = 4.0 m. On the same set of axes, plot the x- and y- components of the pin reaction at A. Do these plots on a separate piece of paper. Then answer the following questions in Wiley Plus as a check for your work. (a) What is the value of R when x = 2.0 m? (b) What is the value of R when x = 3.3 m? (c) Determine the minimum value of R and the corresponding value of x. (d) For what value of R should the pin at A be designed? 34° x 1.3 m 6 kN -2.9 marrow_forwardThe jib crane is designed for a maximum capacity of 7 kN, and its uniform I-beam has a mass of 160 kg. Plot the magnitude R of the force on the pin at A as a function of x through its operating range of x = 0.2 m to x = 3.6 m. On the same set of axes, plot the x- and y-components of the pin reaction at A. Do these plots on a separate piece of paper. Then answer the following questions in Wiley Plus as a check for your work.(a) What is the value of R when x = 0.9 m?(b) What is the value of R when x = 3.1 m?(c) Determine the minimum value of R and the corresponding value of x.(d) For what value of R should the pin at A be designed?arrow_forward
- Determine the axial forces in 600 lb E members CD and CB of the truss 4ft 4ft -3 ft 3 ftarrow_forwardthe homogeneous cylinder of weight W=100 N rests in a frictionless right angled corner. determine the contact forces NA and NB angle is 30 degreesarrow_forwardA rear suspension system for a front wheel-drive vehicle is shown here. Spring EF is offset behind member CD. The normal force due to contact between the wheel and the road is 4200 N. Assume the weight of the wheel and suspension system components is negligible. Determine the magnitude of the member CD. Is the member in tension or compression? Determine the support reactions at A. Determine the unstretched length of the spring EF given a spring constant of 150 kN/m.arrow_forward
- Find the crushing force exerted on the rod at B and the magnitude of the horizontal and vertical reactions at pin A, given:F = 55 lbs, L1 = 8.5 in, L2 = 2.3 in, θ = 26 °arrow_forwardThe hinge shown is the type used on the doors of some automobiles. If a torsion spring at F applies the constant couple C0=20lbft to member ABF, calculate the force P required to hold the door open in the position shown.arrow_forwardThe figure shows a three-pin arch. Determine the horizontal component of the pin reaction at A caused by the applied force P.arrow_forward
- International Edition---engineering Mechanics: St...Mechanical EngineeringISBN:9781305501607Author:Andrew Pytel And Jaan KiusalaasPublisher:CENGAGE L