What Hath Befallen Gravity? Topic 4. Newton’s rules for the study of natural philosophy...
21
What Hath Befallen Gravity? Topic 4
-
date post
20-Dec-2015 -
Category
Documents
-
view
216 -
download
1
Transcript of What Hath Befallen Gravity? Topic 4. Newton’s rules for the study of natural philosophy...
What Hath Befallen Gravity?
Topic 4
Newton’s rules for the study of natural philosophy
1. Simplicity
2. Generality
3. Experimental verification
4. Theories are tentative
Three Approaches to Forces
A. Action at a distance
-no mechanism
B. Field Description
-space changed by body
C. Particle Exchange
-emitted or removed
Flat Space vs. Spherical Space
Effect of Acceleration
Principle of Equivalence
• Downward pull of gravity can be duplicated by an upward acceleration
Curvature of Space
Deflection of Light
Orbital Precession
Gravitational Red Shift
Black Hole
Particle Exchange
Expanding Universe
![CHEVRON’S GENERALITY PRINCIPLES - ACSs Generality...2014] CHEVRON’S GENERALITY PRINCIPLES 657 that statutory text is clear.11 And at Step Two, the agency’s explanation of its](https://static.fdocuments.us/doc/165x107/5b0dda0d7f8b9a8b038e4f91/chevrons-generality-principles-acs-s-generality2014-chevrons-generality.jpg){kind=icon}
