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.
In very severe situations the brown recluse spider bites may cause necrosis straight to the bone. Individuals that die from a spider bite are usually young children or the elderly. Adults that have good immune systems can survive a brown recluse bite, but may be ill for several weeks. Going untreated for a long period of time can lead to secondary infections and several other complications.