structural systems assignment (3 questions)
Help me study for my Mathematics class. I’m stuck and don’t understand.
see attached please
PROBLEM 1
FIND THE REACTIONS (X AND Y DIRECTION) AT POINTS A AND B FOR THE FOLLOWING TRUSSES: (NOTE THE TRUSSES ARE NOT DRAWN TO SCALE), SHOW THE DIRECTION THE LOADS ARE ACTING ON A SKETCH.
PROBLEM 2
DETERMINE WHETHER THE FOLLOWING TRUSSES ARE DETERMINATE, INDETERMINATE, OR UNSTABLE, IF THE MEMBER IS UNSTABLE, THEN DRAW IN HOW YOU COULD MAKE THE MEMBER STABLE. (ie, WHERE WOULD YOU ADD A MEMBER OR SUPPORT), IF THE TRUSS IS DETERMINATE OR INDETERMINATE, HIGHLIGHT OR CIRCLE ANY KNOWN ZERO FORCE MEMBERS.
PROBLEM 3
INDICATE WHICH MEMBERS ARE IN TENSION AND WHICH ARE IN COMPRESSION ON THE TRUSSES BELOW. (MARK T FOR TENSION. ORC FOR COMPRESSION), MARK THE MEMBERS THAT ARE GUARANTEED TO BE ZERO – FORCE MEMBERS. NO CALCULATIONS REQUIRED