We consider wastewater treatment as a water use because it is so interconnected with the other uses of water.
Definition of Centripetal Force. Centripetal force is a force that makes an object follow a curved path. The direction of the force is oriented at a right angle to the direction of travel of the object, toward the center of the circle along which the object is moving.
The force is coming from the string which is pulling on the weight from the center of the large circle you are creating with your motion. Cars driving on a curve and the moon orbiting around the earth are additional examples of centripetal force as they use gravity to pull them towards the center. Centrifugal means fleeing from the center in Latin. It is the push that a person in a car going around a curve feels toward the outside of the turn. Flight