Excited Anticipation (2 of 4) by Jeff Strite
This content is part of a series.Excited Anticipation (2 of 4)
Series: Building Faith
OPEN: In college, Ken Davis (a popular youth speaker) was asked to prepare a lesson to teach his speech class. They were to be graded on their creativity and ability to drive home a point in a memorable way. The title of his talk was, "The Law of the Pendulum." He spent 20 minutes carefully teaching the physical principle that governs a swinging pendulum. The law of the pendulum is: A pendulum can never return to a point higher than the point from which it was released. Because of friction and gravity, when the pendulum returns, it will fall short of its original release point. Each time it swings it makes less and less of an arc, until finally it is at rest. This point of rest is called the state of equilibrium, where all forces acting on the pendulum are equal.
He attached a 3-foot string to a child's toy top and secured it to the top of the blackboard with a thumbtack. He pulled the top to one side and made a mark on the blackboard where he let it go. Each time it swung back he made a new mark. It took less than a minute for the top to complete its swinging and come to rest. When he finished the demonstration, the markings on the blackboard proved his thesis. He then asked how many people in the room BELIEVED the law of the pendulum was true. All of my classmates raised their hands, so did the teacher. He started to walk to the front of the room thinking the class was over. In reality it had just begun. Hanging from the steel ceiling beams in the middle of the room was a large, crude but functional pendulum (250 pounds of metal weights tied to four strands of 500-pound test parachute cord).
Davis invited the instructor to climb up on a table and sit in a chair with the back of his head against a cement wall. Then he brought the 250 pounds of metal up to his nose. Holding the huge pendulum just a fraction of an inch from his face, Davis once again explained the law of the pend ...
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