Figure P3 Ho 4 m P B I 4 m F J 4 m b) Calculate...
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Figure P3 Ho 4 m P B I 4 m F J 4 m b) Calculate the vertical reaction at support A. [0 mark] Provide your answer in units of kN to 4 decimal places. Indicate a horizontal force pointing left as being negative. Use '-' to denote a downwards force, otherwise no sign is needed. E 4 m D c) Calculate the horizontal reaction at support A. [0 mark] Provide your answer in units of kN to 4 decimal places. Indicate a horizontal force pointing left as being negative. Use '-' to denote a downwards force, otherwise no sign is needed. d) Calculate the force in member AH. [1 mark] Provide your answer in units of kN to 4 decimal places. Use '-' to denote a compression force, otherwise no sign is needed to denote a tension force. e) Calculate the force in member AB. [2 marks] Provide your answer in units of kN to 4 decimal places. Use '-' to denote a compression force, otherwise no sign is needed to denote a tension force. f) Calculate the force in member GF. [2 marks] Provide your answer in units of kN to 4 decimal places. Use '-' to denote a compression force, otherwise no sign is needed to denote a tension force. g) Calculate the force in member IC. [2 marks] Provide your answer in units of kN to 4 decimal places. Use '-' to denote a compression force, otherwise no sign is needed to denote a g) Calculate the force in member IC. [2 marks] Provide your answer in units of kN to 4 decimal places. Use '-' to denote a compression force, otherwise no sign is needed to denote a tension force. h) Determine the maximum allowable magnitude of P if the member GH can support 8kN. Provide your answer in kN to 4 decimal places. [2 marks] i) Assume now with different loading the axial force in member GF equals -33 kN. What is the minimum second of moment of area of this section such that it will not fail by buckling. Assume a strength factor of safety for strength of 1.3. E = 200,000 MPa and the material yield strength = 300 MPa. Provide your answer in units of mm4 to at least 6 significant figures. [1 mark] Minimum second moment of area [mm4] = Figure P3 Ho 4 m P B I 4 m F J 4 m b) Calculate the vertical reaction at support A. [0 mark] Provide your answer in units of kN to 4 decimal places. Indicate a horizontal force pointing left as being negative. Use '-' to denote a downwards force, otherwise no sign is needed. E 4 m D c) Calculate the horizontal reaction at support A. [0 mark] Provide your answer in units of kN to 4 decimal places. Indicate a horizontal force pointing left as being negative. Use '-' to denote a downwards force, otherwise no sign is needed. d) Calculate the force in member AH. [1 mark] Provide your answer in units of kN to 4 decimal places. Use '-' to denote a compression force, otherwise no sign is needed to denote a tension force. e) Calculate the force in member AB. [2 marks] Provide your answer in units of kN to 4 decimal places. Use '-' to denote a compression force, otherwise no sign is needed to denote a tension force. f) Calculate the force in member GF. [2 marks] Provide your answer in units of kN to 4 decimal places. Use '-' to denote a compression force, otherwise no sign is needed to denote a tension force. g) Calculate the force in member IC. [2 marks] Provide your answer in units of kN to 4 decimal places. Use '-' to denote a compression force, otherwise no sign is needed to denote a g) Calculate the force in member IC. [2 marks] Provide your answer in units of kN to 4 decimal places. Use '-' to denote a compression force, otherwise no sign is needed to denote a tension force. h) Determine the maximum allowable magnitude of P if the member GH can support 8kN. Provide your answer in kN to 4 decimal places. [2 marks] i) Assume now with different loading the axial force in member GF equals -33 kN. What is the minimum second of moment of area of this section such that it will not fail by buckling. Assume a strength factor of safety for strength of 1.3. E = 200,000 MPa and the material yield strength = 300 MPa. Provide your answer in units of mm4 to at least 6 significant figures. [1 mark] Minimum second moment of area [mm4] =
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Solutions Step 1 Part g To calculate the force in member IC we can use the method of sections We will cut the truss through members IC HI and JA as sh... View the full answer
Related Book For
Vector Mechanics for Engineers Statics and Dynamics
ISBN: 978-0073212227
8th Edition
Authors: Ferdinand Beer, E. Russell Johnston, Jr., Elliot Eisenberg, William Clausen, David Mazurek, Phillip Cornwell
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