Lami's theorem. (mechanics). When three forces act on a particle in equilibrium, the magnitude of each is proportional to the sine of the angle between the other two. 1  Facebook.
Variable reactions: Brown recluse spider's bite can cause no reaction, a mild reaction, an immediate or a delayed reaction. With a significant reaction a which blister appears after bit. The surrounding skin becomes hard, swollen & can be red, white & blue. A deep lesion can develop which can eat through fat and muscle.
Be aware of how the bite feels. The initial bite of the brown recluse usually doesnât cause pain. This means that you may not be aware of the bite for as long as 8 hours, at which time the bite area will become red, tender and swollen.