Any 2 bodies in universe attract each other w/force directly proportional to product of their masses & inversely proportional to the square of distance between them
2 systems each in thermal equilibrium with a third system are in thermal equilibrium with each other
The square of the period of an orbit is directly proportional to the cube of the radius
The sum of the forces equals mass x acceleration
Geometric theory of gravitation/published 1915/curvature of spacetime is directly related to energy & momentum of matter & radiation present/represented by Einstein field equations
Proposed in 1905 in 'On the Electrodynamics of Moving Bodies'/assumes laws of physics are invariant in all inertial systems & c in a vaccuum is same for all observers
Bodies in orbit will sweep out equal amounts of area in equal times
A process cannot have as its sole result the transfer of heat from a cooler to a hotter body/In any closed system the entropy of the system will either remain constant or increase
Description
Law
The change in energy of a system is the amount of energy added to the system minus the energy spent doing work/Law of Conservation of Energy
An object at rest will remain at rest and an object in motion will remain in motion until acted upon by an outside force/inertia
Laws of physics governing orbiting bodies/mathematically proven by Newton
It is impossible to reduce any system to absolute zero in a finite series of operations/A perfectly efficient heat engine cannot be created
Laws of physics governing motion in its classical sense
Orbits are ellipses with the body being orbited at one of the ellipse's foci
For every action there must be an equal but opposite reaction
The rate of heat loss of a body is proportional to the difference in temperatures between the body and its surroundings
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