The rigid bar EBC is supported by two links AB and CD as shown in Figure...
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The rigid bar EBC is supported by two links AB and CD as shown in Figure 1. The Link AB is made of aluminum (E = 70 GPa) and the link CD is made of steel (E = 200 GPa). Both links have a Width = 30 mm x thickness= 5 mm rectangular cross-section. Each of the four pins A, B, C and D has a 7 mm diameter. For the 15 KN force at point E, E 3 m B Force Figure 1 500 mm. 2 m C W mm W mm A D a) Determine the reaction of link CD in KN. KN Please insert - sign if it indicates the compressive force. b) Determine the reaction of link AB in KN. KN Please insert - sign if it indicates the compressive force. c) determine the maximum stress in the link CD in MPa. OCD = MPa Please insert - sign if it indicates the compressive stress. d) determine the maximum stress in the link AB in MPa. AB = MPa Please insert-sign if it indicates the compressivestress. e) Determine the change in length of link AB in mm AB mm Please insert - sign if it indicates Shortened. f) Determine the change in length of link CD in mm OCD = mm Please insert - sign if it indicates Shortened. g) Determine the bearing stress at D in member CD = MPa h) Determine the maximum shear stress in the pin at A in MPa. Ta MPa The rigid bar EBC is supported by two links AB and CD as shown in Figure 1. The Link AB is made of aluminum (E = 70 GPa) and the link CD is made of steel (E = 200 GPa). Both links have a Width = 30 mm x thickness= 5 mm rectangular cross-section. Each of the four pins A, B, C and D has a 7 mm diameter. For the 15 KN force at point E, E 3 m B Force Figure 1 500 mm. 2 m C W mm W mm A D a) Determine the reaction of link CD in KN. KN Please insert - sign if it indicates the compressive force. b) Determine the reaction of link AB in KN. KN Please insert - sign if it indicates the compressive force. c) determine the maximum stress in the link CD in MPa. OCD = MPa Please insert - sign if it indicates the compressive stress. d) determine the maximum stress in the link AB in MPa. AB = MPa Please insert-sign if it indicates the compressivestress. e) Determine the change in length of link AB in mm AB mm Please insert - sign if it indicates Shortened. f) Determine the change in length of link CD in mm OCD = mm Please insert - sign if it indicates Shortened. g) Determine the bearing stress at D in member CD = MPa h) Determine the maximum shear stress in the pin at A in MPa. Ta MPa
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