1. Origin of the Law of Gravitation 2. Newton’s Law of Universal Gravitation 3. The Gravitational Constant G 4. Gravitation Near the Earth’s surface 5. The Two Shell Theorems 6. Gravitational Potential Energy
Entropic elasticity Image removed due to copyright considerations. See Figure 19-50 in: Alberts, Bruce, et al. Molecular Biology of the Cell. 4th ed. New York: Garland Publishing, 2002 Image may be viewed online at the NIH's PubMed Bookshelf