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.
Earning their name well, the brown recluse spider ceases its wanderings at first light. The brown recluse spider is a non-aggressive spider and will only bite when disturbed. Usually, the brown recluse spider bite is not felt at the time of occurrence, and pain sets in from six to eight hours later. A typical bite area may resemble a pimple, pustule or blister formation from six to 12 hours later.