Problem 72 The horizontal bar ABCD is supported by a link BE

Problem 7.2. The horizontal bar ABCD is supported by a link BE. All pins Parameter are frictionless. Determine the reactions on the bar ABCD Values 20% - (a) Draw an appropriate Frce Body Diagram 8 i 400 in coinlb toe tb) Determine tihe reactions on the bár AB cr r cut 3.6 4135 MIA-soib- si2.inlb -u,asin FeED npine ihe renctions on the bracket BE. Include a supporting FBD. Are they similar to any renactions ots the Date

Solution

In your calculation everything is fine except of r vector. You have taken r vector as 3.5i + 3.5j, it should be corrected as 3.5i + 0j i.e. displacement of point B (where force has been acting) with respect to point A (where moment has been taken)