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Newton vs Einstein

Einstein and newton were two geniuses thinking very differently about what two things?
gravity and space

the way of newton
space is static (not expanding or contracting) and Euclidean

euclidean
all Euclid’s laws of geometry hold true

newtons first law of motion
objects have a natural tendency to move in straight lines at constant speeds

how newton explains planets moving on curved orbits at varying speeds
“there is a force acting on the planets, the force is called gravity”

newtons second law of motion
gives the acceleration in response to any force

in newtons second law of motion, the acceleration depends on what?
inertial mass

equivalence principle
two objects dropped side by side have the same acceleration

explained by newton and led Einstein to his theory of general relativity
equivalence principle

einsteins insight
gravity affects the paths of photons , even though they have no mass

newton: mass and energy
“they are very different things”

newton : space and time
“very different things”

Einstein : mass and energy
“interchangeable e=mc^2”

Einstein: space and time
“interchangeable” 4 dimensional space-time

Einstein: in the presence of gravity, space is not flat(Euclidean) but ________
curved

Einstein’s new way of thinking that explains the equivalence principle
all photons , regardless of size or mass, are taking the shortest possible path through space-time

Newtonian gravity
mass tells gravity how much force to exert, force tells mass how to move

general relativity (Einstein)
mass-energy tells space-time how to curve ; curved space-time tells mass-energy how to move

Einstein’s theory correctly predicts the effect known as
gravitational lensing

gravitational lensing
mass and energy cause space to curve. This curvature causes an observed bending of the path of light.

Global Positioning System (GPS)
a network of orbiting satellites, each with a precise clock

in 38 microseconds, light travels
11 kilometers

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Hi, I am Sara from Studymoose

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Hi, I am Sara from Studymoose

Hi there, would you like to get such a paper? How about receiving a customized one? Click to learn more https://goo.gl/CYf83b

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