ASTRON 1142 Lecture Notes - Lecture 5: Gravitational Constant, Force Works, University Of Manchester

• School: Ohio State University
• Department: Astronomy
• Course: ASTRON 1142
• Professor: Christopher Kochanek

Document Summary

All falling bodies experience the same gravitational acceleration. Gravity is an attractive force between all pairs of massive objects. Gravitational force is proportional to the masses, and inversely proportional to the square of the distance between them. Preferred experimentation and measurement to philosophical rhetoric. Galileo explored the rate of falling bodies by dropping different weights or sliding them down inclined planes. In the absence of air, heavy objects and light objects fall at the same, constant rate of acceleration . Isaac newton formulated the law of universal mutual gravitation in his principia: Works to bring massive objects closer to one another. The force of gravity between any two objects depends only upon. More massive objects exert a stronger force. The force gets stronger as they move closer. The force gets weaker as they move apart. It does not depend on the shapes, colors, or compositions of the objects.