In addition, Newton had formulated in Propositions 43-45 of Book 1, and associated sections of Book 3, a sensitive test of the accuracy of the inverse square law, in which he showed that only where the law of force is accurately as the inverse square of the distance will the directions of orientation of the planets' orbital ellipses stay constant as they are observed to do apart from small effects attributable to inter-planetary perturbations.
Sponsored Topics. Gibson City is a city in Ford County, Illinois, United States. The population was 3,407 at the 2010 census. The site of Gibson City was purchased and platted by Jonathan B. Lott in 1869. In 1870, Lott built a home and a post office there, and several stores and an a grain elevator were constructed.
Farmer City, IL. Farmer City is a city in DeWitt County, Illinois, United States. The population was 2,037 at the 2010 census. Farmer City is part of Blue Ridge Community Unit School District 18 sharing facilities with nearby Mansfield, Illinois and Bellflower, Illinois. Farmer City facilities include the District Unit Office, the Ruth M. Schneider Elementary School (K-3) and Blue Ridge High School.[citation needed] Blue Ridge received a bronze in the U.S. News and World Report Best High Schools list.