Process$-$Oriented Problem $06\mathrm{.}002-$ Methods of Joints $-$ DEPENDENT MULTI$-$PART PROBLEM $-$ ASSIGN

ALL PARTS

NOTE: This is a multi$-$part question. Once an answer is submitted, you will be unable to return to this part.

The structure ABCD given in the following figure is designed to support a finite mass hanging from a cable, DF$,$ attached

to the structure at point D :

where $x=2m,y=3\mathrm{.}5m,$ and $z=3m$

The structure is mounted to the ground by a hinge at B and a roller at C and is also supported by a horizontal cable, AE $,$

attached to the wall. The mass of the object hanging from cable DF is $196$ kg $.$ The tension in the support cable $AE$ is

$1800$ N $.$ It is desired to determine the force that each individual member will experience under the given loading

conditions in order to decide what type of material to use to build the structure.

Process$-$Oriented Problem $06\mathrm{.}002.$d $-$ External loads on the truss

In regard to the external loads on the truss, how many unknown quantities exist? $($The answer should be in numeric form.$)$

There is $($are$)$

unknown $($s$)$ in regard to the external loads on the truss.