Determine the magnitudes of all pin reactions for the frame loaded as shown. Assume F-860 N, a-695 mm, b-350 mm, 0 = 32°, and = 56° Answers: A- B- I D i 8 C N N N
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- Use the drawing below to answer the following two questions. a. Determine the equivalent spring stiffness of the following system. Simplify the expression (ie – single common denominator. Your answer should be an expression of just K’s – no numbers). b. If the weight on top is 20 lb and the K1 = K4 = 50 lb/in, K2 = 33 lb/in and K3 = K5 = 25 lb/in, what is the natural frequency of the system?1 300N forces on the pliers? 300N What forces are exerted on the bolt at E in the figure below as a result of the 30 mm 70 mm PIED PAR 30 mm D 30 mm 30 mmThe required information is in the attachment. Part A) Draw a free-body diagram. Show the torque reactions at supports A and C in the correct direction for resisting the applied torque, T. From your free-body diagram, write the equilibrium equation for the torques. Express the torsional equation of equilibrium for the shaft in terms of TA, and TC. Part B) Express the internal torque in AB, TA, in terms of the internal torque in BC, TC to three significant figures. (i.e., TA= ___________ TC) Part C) Using your statics equation and compatibility equation developed in Parts A and B, assume that the maximum allowable stress occurs in either AB or BC, then calculate TA and TC based on this assumption. Check your assumption and confirm that τ = 100 MPa has not been exceeded in either member. Express your answer in N−m to three significant figures.
- Find the reaction in pin A ? 70 B 1 m -1.40 m 0.8 m 1962 N 1 Add file1. Calculate the degree of freedom of the following mechanism shown in Fig. 4-1. If there are multiple pin joints, passive degree of freedom or redundant constraints, mark them in the figure. Fig. 4-1Problem 4: Solve for internal reactions at pin C and D. pin connection A roller Connachion NB B 2' 2' D 3' 3' 3' 24016
- Solve the problem. A 11-in. connecting rod in an engine connects the wrist pin of a piston at point A to the end of a second rod at point on the crankshaft. As the piston moves forward and back, the crankshaft is turned counterclockwise around point C. The stroke length of the engine is the distance that the piston travels (one way) with its cylinder. If the stroke length is 4 in., and the engine turns at 600 rpm, write a model representing the distance d (in inches) from A to the center of the crankshaft Cas a function of time t (in minutes). Assume that at t = 0, the piston is at its farthest point from the crankshaft. B B C C B A A stroke lengthSomeone already solved this and the answr is .0212 and -0.025. My question is is it okay to solve this even if it is not in equilibrium? Why?3. Figure 3 shows a brake pedal assembly from a car. Under the action of an applied foot force, the pedal lever acts against the fixed pivot and transfers load to the brake cylinder via an actuation rod. The pedal lever is of hollow section, three-sided form with section dimensions as shown in the figure (Section A-A). Via consideration of the pedal lever as a free body, calculate the reactions acting at the fixed pivot and the 10 mm dia. pin. (hint-take the pin and the pivot as supports) Draw the bending moment diagram for the pedal lever and determine the maximum tensile and compressive stresses arising if a force of 1.3 kN is applied at the foot pedal as shown in Figure 3. (hint -exclude the areas of the holes) [Ans ot = 134 N/mm² oc = 215 N/mm*] i. ii. Fixed pivot 10 mm dia. pin 30 mm 5 mm 10 mm 3 mm Actuates brake throughout cylinder > 15 mm 1.3 kN Section A-A Floor pan Foot pedal force Pedal lever Figure 3 Brake pedal assembly from a car 100 200 mm mm