ENGR 211 Lecture 10Fall 2007Civil EngineeringFrames and MachinesFrames and Machines•Objects are made up of pieces that are fastened together•Analysis may involve one piece, some combination of pieces or the whole object.•Advice: Start analyzing! Clearly define each subject with a FBD and then jump in.Civil EngineeringFrames and MachinesFrames and MachinesSome HintsSome Hints…•Look for two force members(they may not be straight!) – Draw forces acting along the line of action between them.•Carefully draw FBD’s– At contact points, forces are equal and opposite (action and reaction)•Apply External Forces to one member only
ENGR 211 Lecture 10
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