Post on 27-Dec-2015
ENGR-36_Lab-14_Fa08_Lec-Notes.ppt1
Bruce Mayer, PE Engineering-36: Vector Mechanics - Statics
Bruce Mayer, PELicensed Electrical & Mechanical Engineer
BMayer@ChabotCollege.edu
Engineering 36
Lab-14 Lab-14 Chp7Chp7
EquilEquilProbleProble
msms
ENGR-36_Lab-14_Fa08_Lec-Notes.ppt2
Bruce Mayer, PE Engineering-36: Vector Mechanics - Statics
Rocking BeamRocking Beam
Given Geometry and Loading Find distance “a” such that The Reaction at Pt-B is limited:
jlbBjlb ˆˆ 10050
ENGR-36_Lab-14_Fa08_Lec-Notes.ppt7
Bruce Mayer, PE Engineering-36: Vector Mechanics - Statics
Spring Spring CrankCrank
Find• Tension, T
• Reactions at Points C & D
Given• 4 inch Pulley at
Pt-A
• kspring = 2 lb/in
• Spring Unstretched for θ = 0°
• Brg at Pt-C is NOT a thrust Brg
• The Machine is at Rest and in equilibrium
• θ = 180°
ENGR-36_Lab-14_Fa08_Lec-Notes.ppt11
Bruce Mayer, PE Engineering-36: Vector Mechanics - Statics
Wire Suspended PipeWire Suspended Pipe
Given Lineal Density for pipe of 5 lb/ft
Find• The Largest Possible value for “a” the
will not cause the assy to tip
• The Tension in each Wire
ENGR-36_Lab-14_Fa08_Lec-Notes.ppt14
Bruce Mayer, PE Engineering-36: Vector Mechanics - Statics
Cable Supported BoomCable Supported Boom
Loading and Geometry Find• Tension in the two cables
• The Reaction at Ball-&-Socket Support at Pt-A