fb_reactions()

[txt, OK]: fb_reactions(obj, f, m)

• obj list of objects from input field
• f expected number of force reactions
• m expected number of moment reactions

This is a function for Feedback for Free Body Diagrams. The function counts

• All "force" objects, with state "active" and no space character in their name (as it would be the case for resultants of distributed loads).
• All "moment" objects with state "active".

Templates

Question text

[[feedback:System]]

Feedback variables

[txt, OK]: fb_system(names, sys, env, " Die Stäbe gehören alle zum System, die Lager gehören zur Umgebung." )
obj: stackjson_parse(objects);
[rtxt, rOK]: fb_reactions(obj, 3, 1);

Feedback node 1

Field	Value
sans	OK
tans	true
feedback true	{@txt@}
feedback false	{@txt@}

Feedback node 2

Field	Value
sans	rOK
tans	true
feedback true	{@rtxt@}
feedback false	{@rtxt@}