i t I cos t = ω −φ 180 or 180 − 90 180 90 −φ +φ − =− +φ N N slip = N −
180 N - Wright State University
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Wright State University Fall 2015 Department of Mechanical and Materials Engineering ME 2120: STATICS, MID-TERM EXAM 2 OPEN BOOK, CLOSED NOTES, SHOW ALL WORK FOR PARTIAL CREDIT Problem 1: (15 points) The pipe ACDE is supported by ball-and-socket joints at A and E and by the wire DF. Determine the tension in the wire when a 180-N load is applied at B as shown. Problem 2: (5 points) Determine reactions at the beam support for the given loading. Problem 3 is on the back of this sheet. 180 N
Transcript of 180 N - Wright State University
Wright State University Fall 2015
Department of Mechanical and Materials Engineering
ME 2120: STATICS, MID-TERM EXAM 2
OPEN BOOK, CLOSED NOTES, SHOW ALL WORK FOR PARTIAL CREDIT
Problem 1: (15 points) The pipe ACDE is supported by ball-and-socket joints at A and E and by the wire DF.
Determine the tension in the wire when a 180-N load is applied at B as shown.
Problem 2: (5 points) Determine reactions at the beam support for the given loading.
Problem 3 is on the back of this sheet.
180 N
Problem 3: (10 points) Determine the forces in members DF, DG and EG.
40 kN
Problem 3:
