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Problem with Solution for Engineering Mechanics I | MEGR 2141, Assignments of Mechanical Engineering

University of North Carolina (UNC) - CharlotteMechanical Engineering
Prof. Edgar Munday

Material Type: Assignment; Professor: Munday; Class: Engineering Mechanics I; Subject: Mechanical Engineering; University: University of North Carolina - Charlotte; Term: Unknown 1989;

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4/19 A SNOW LOAD TRANSFERS THE FORCES SHOWN TO THE UPPER JOINTS OF A PRATT ROOF TRUSS. NEGLECT ANY HORIZONTAL REACTIONS AT THE SUPPORTS AND SOLVE FOR THE FORCES IN ALL MEMBERS 1kN =E= 2.5 KN; asta (% yea Syrametry A SKN; (=) ag = 26.6° Abn haer=o: 2.5 -I- ABsin w= 0 A: an ® AB= 3.35 kN OC 12.5 KN SIF, =0: —3.35 cosa +AK =O AW = 3.00 KN —> ZF, =O! 3.35 Casx ~ BC cos % ¥O BC = 3.35 KN C jPZFy =o -\ + (3.35-3.35 )Sin « + Biro BE= 4 KN OC