The Pulley: It is one of the basic tools in physics. Man thought he invented the pulley, but the pulley has been inherent in nature long before man utilized it. See figure below. Several muscle positioned on the posterior side of the leg connect to tendons which curve around the Malleolus (a bony protrusion with a groove for the tendons to slide in) and inter-digitate on the plantar (bottom) region of the foot/toes. Flexion occurs with contraction of the muscles which then pulls on the tendons, which do not stretch (they are like a cord of rope). As the tendons are pulled back and upward the foot and toes bend downward. The foot and toes can bend because of the joints, which are composed of a firm yet flexible material called cartilage, which allows then to deform without breaking the bony non-flexible areas. In like fashion the airplane has a servo that acts much like a muscle which pulls on a non-stretching cable that loops around a post and bends the aileron up or down. It is the contention of this author that God allows man to search out and discover such principles of nature and then to utilize them-which we call technology. Bu man did not create these principles-only God did it.
RSS Feed