Question

Question 1 The stepped flat bar has a constant thickness of 8.0 mm. It carries three concentrated loads as shown. Let P 200 N, L 180 mm, L, = 80 mm, and Ls 40 mm. Compute the maximum stress due to bending and state where it occurs. Note: The bar is braced against lateral bending and twisting. 100 mm 140 mm 1CX) mm 140 mm 2P Flat plate r3 mm t8 mm typical 12 m 24 mm-36 mm 48 mm Question 2 A hydraulic cylinder is capable of exerting a force of 5200 N to move a heavy casting along a conveyor system. Assume the Piston Rod is pinned at both ends. The design of the pusher causes the load to be applied eccentrically to the piston rod as shown in the diagram. Is the piston rod safe under this loading if it is made of SAE 416 stainless steel? What is the maximum deflection? Use E 200 GPa., and a, 966 MPa., SF 3.0., r= 7.289 mm 750 mm A Hydraulic cylinder 20 mm Piston rod A D.-25 mm D - 15 mm Section A-A Question 3 A shaft is supported by bearings at locations A and B and is loaded with a downward force of P = 2000 Newton at a location shown below. The fillets are located from point A at 100 and 650 mm. and have a typical radius of 5 mm. Complete the following: Determine the magnitude of the reaction forces Ra and RB. a. b. Complete the Shear Force and the Bending Moment Diagram for this member. Find the Maximum Bending Stress and its Location for this shaft. Include the fillet c. areas. r5 mm d= 40 mm d 40 mm A D 80 mm 250 mm- 500 mm RB RA