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Idea Transcript
Wright State University Department of Mechanical and Materials Engineering
Fall 2016
ME 2120: STATICS MID-TERM EXAM 2 OPEN BOOK, CLOSED NOTES, SHOW ALL WORK FOR PARTIAL CREDIT Problem 1: (10 points) Determine the forces in members CD, HI and CH of the truss, and state if the members are in tension or compression. Also, determine the reactions at A and K.
Problem 2: (10 points) Determine the force in member AC and the reactions at A and D.
Problem 3 is on the back of this sheet.
Problem 3: (10 points) The hydraulic crane is used to lift the 1400-lb load. Determine the force in the hydraulic cylinder AB and the force in links AC and AD when the load is held in the position shown.