Question

determine the support of the reactions for the loading shown. Construct the shear and moment diagrams. find the locations at which diagrams intersect the the x-axis if they do.

Problem 2 15 kN 4 kN/m 6m6m 1 kN/m

Answer 1

6m om Fxe Bedy dgan of the bean : yea of d' to Concantia ted point load 3M) Pa nigm to Pint concen奴ated | we obtaine megative Dg It means : es uwilu be acting olocunuood

2A 8.5 KN Side af -the sectan) raght | → Bendina Moment (BM) at aschon isthe algebraic Jom of the feh moments acting cm any ome Side of-tha section Cie erhor lest side ,o'ght side of the secti n) the sectio (SF): tde) lert side sign convention RA Piyht side up →-ve Rght side down- -we Lest Side

2KN 6kN 4 31yht side lest side Co ,fre we wiリ7H Same value tb tooth Cayes ep aght side

Pp PA 1 sicle ) eest side ( Pight side G KN (@r) BM tlene we vwill Same uaue though ue Conšeler any sile sagging BM =+ve Sim Con ven t- 匕 Po ー-)Right side

SF diagyom Cplothing of value, he len hof 8.5 SF changes Straigiht line) Maimum BM

oder when SF changes Sigr) and egua·to·zoo thon at that point BM woill be mcaimum psint the Cusn ve.changes som Concave up to Concake douy oy Vice vey sa → This point is called point of cerrhef lenu0R、Athegiven beam nt Chan whone ta 8.5 6 3 2- 6 6) C) G-X 2一 eint side 9.347