Isaac Newton ~ Gravitation

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Sir Isaac Newton (25 December 1642 - 20 March 1726/7) was an English physicist and mathematician (described in his own day as a "natural philosopher") who is widely recognised as one of the most influential scientists of all time and as a key figure in the scientific revolution. His book Philosophiæ Naturalis Principia Mathematica ("Mathematical Principles of Natural Philosophy"), first published in 1687, laid the foundations for classical mechanics. Newton made seminal contributions to optics, and he shares credit with Gottfried Leibniz for the development of calculus.
Newton's law of universal gravitation states that any two bodies in the universe attract each other with a force that is directly proportional to the product of their masses and inversely proportional to the square of the distance between them. (Separately it was shown that large spherically symmetrical masses attract and are attracted as if all their mass were concentrated at their centers.) This is a general physical law derived from empirical observations by what Isaac Newton called induction. It is a part of classical mechanics and was formulated in Newton's work Philosophiæ Naturalis Principia Mathematica ("the Principia"), first published on 5 July 1687.

Published on


Apr 28, 2013




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Comments 61
GazzzTanker Month ago
I want my creative mode back
Swarnamoni Nath
Swarnamoni Nath Month ago
Bramha Gupta invented gravity first Isac had just took the credit
James Shore
James Shore 2 months ago
could be more concise
Alfonso Medina
Alfonso Medina 3 months ago
He did not invent gravity gravity was here before his time idiots
*insert clever username here*
looks like you missed the joke, one woooosh to you buckaroo
AMEYA M 3 months ago
The centrifugal force part is completely wrong.8:34
evil morty rickest morty
Very good
Steve- God Of Fucktards
Imagine dragging deez gravities on your face
Gian Saculsan
Gian Saculsan 4 months ago
Imagine newton didnt invent gravity, we couldve fly, i want to fly
Ad vent
Ad vent Month ago
*insert clever username here* no I didn’t now I get it bc u reply lol
*insert clever username here*
Ad vent looks like you didn’t get the joke, buddy
Ad vent
Ad vent Month ago
Gian Saculsan he discovered not invented lol
ritemoelaw_books83 2 months ago
Einstein said gravity is an illusion, so you can fly.
*insert clever username here*
@evil morty rickest morty it's a bird! it's a plane! no, hold on, it's a joke it flew over your motherfucking head
Theprokiller0220 4 months ago
bigwolf 22346
bigwolf 22346 4 months ago
He just had to go and invent gravity didn't he?
*insert clever username here*
I missed the old times where we used to fly around, I want my fuckin creative mode back
Jeremy Cornwell
Jeremy Cornwell 5 months ago
0:20 thats right, pick it up.
Margoot 6 months ago
Everyone had /gamemod creative before this guy
TheFlamingBullet 7 months ago
Greg Parrett
Greg Parrett 7 months ago
Wonder what einstein was smoking in his pipe? I think when the apple hit sir isaac newton on top of his head,it knocked his brain around and made him stupid! Why does it have to be "gravity" that pulled the apple down? Why cant it be simply because the apple is heavier than air that it fell on his head? If mass attracts gravity, then why does a balloon filled with helium float? Im pretty sure a hot air balloon has much more mass than a apple and people even ride in hot air balloons! I cant believe they teach newtons THEORY of gravity to our children as if it is actual fact! Cause im pretty sure that a theory is just a guess, an idea, dang sure aint no proof to proove his theory, hell newton even came up with calculas to help proove his theory, but incase any of you dont know, calculas has been prooven to be wrong, it has many errors ,shit dont add up, lol, this is FAKE NEWS!
ritemoelaw_books83 2 months ago
@Arden Ericson He misused the word fact versus theory, but he followed the scientific method. It starts with the observation, and then explaining with the appropriate theory whether it's Newtonian Gravity or General Relativity. If there is a better explanation that make more accurate predictions, please share.
Arden Ericson
Arden Ericson 6 months ago
Thank u Adiba for your kind and polite detailed explanation of your opinion on gravity, but, your explantion has a couple flaws( in my opinion) 1st, you say the reason a helium ballon floats is because there is some other force involved besides gravity, do you know what this force might be called? And 2nd, you say gravity is a fact, well, to the best of my knowledge, gravity is still scientifically labeled as a"THEORY", im not sure which books your reading that classifies gravity as a fact, maybe you can tell me where i can find this or those books,
Adiba Khan
Adiba Khan 6 months ago
GRAVITY IS A FACT. Helium balloons are pulled by gravity, as are all objects with mass. The reason they don't fall is that there is another force acting on them, a buoyant force from air pressure that is equal to the weight of the air displaced by the balloon. The reason you don't float is that the weight of the air you displace is quite a bit less than your weight (a person is more dense than air). The reason a normal balloon doesn't float is that the weight of the air it displaces is just a little bit less than the weight of the balloon (because it is filled with air, but the rubber of the balloon itself is more dense than the air).
Hans Krebs
Hans Krebs 7 months ago
As Newton created Gravity things started to go *down* Sry for this. But If he never created Gravity we all would flying around rn
Question Everything
Question Everything 7 months ago
Question. Has anyone thought of replacing "F" for applied Force with "E" for applied Energy? Eg vs Fg? Would that work? If we were to know how strong or weak the “gravity” is, then we would know how much energy is being applied from within a planet or black hole. Cause, without energy there is no gravity, magnetism, fields, waves, motion, etc. After all, Force does not exist "physically" in the same way that an object with mass does. "Force", as we know it, turns out to be nothing more than an expression to express an idea like one would use the word "Love" to express one's feelings. Meaning, Force or Net Force does not push, pull or work for that matter.
Bee Buzz
Bee Buzz 7 months ago
Hes invented gravity not discover
*insert clever username here*
i missed the old days where me and the boys went full on creative mode
Antonio Carracedo
Antonio Carracedo 3 months ago
I wanted to fly and he messed up big time 😢😢😢
Prashant Gurao
Prashant Gurao 7 months ago
l like this history of science because l love science and sir Issac Newton is my role model of sci
Justwickk 7 months ago
Prashant Gurao why is it
milad rahmani
milad rahmani 9 months ago
he was most genis after da vinci
Nuttymeemps 11 months ago
Sounds like Ringo Star narrating.
princess A
princess A Year ago
Nope it isn't true that feather is lighter and so it'll fall slower than any heavy object. Although it is true that force of gravity does depend on mass but you should also consider that acceleration is inversely proportional to mass. And this cancels out the mass that could result in more force acting on it. And air wins by restricting its "fall"
Adiba Khan
Adiba Khan 6 months ago
No. f=ma. Gravity is the acceleration in this equation-- f=mg. All object falling downward have an acceleration of 'g'. The gravitational force =mg... increases with increase in mass. Whether a feather or an iron ball-- when falling in vaccum(not zero gravity, g=9.8m/s) will fall at the same acceleration and reach at the same time. If air is present a feather will face air drag.
Ali Umar
Ali Umar Year ago
No object is put on motion without the hit of an external force. Since there should be an initially force applied to an object in order for the object to start it state of motion, therefore there is acceleration involved for any object in motion. As long as the acceleration is not zero the object velocity should increase and increase to infinity, assuming the object is not under the influence of any external forces at all. Example, suppose an object is suspended without any, whatsoever, forces acting on it. Now, you hit the object with something. So the object will start its motion. This means the object will begin with acceleration. Does this positive acceleration remains with the object. Again assuming the object not being subjected to any external forces. If the object is under the influence of acceleration due to the initial hitting then the velocity of the object will keep increasing and increasing. So an object in motion will not continue its journey with constant velocity. That is an object in heaven in motion must be under a positive acceleration and with a non zero acceleration the velocity keep increasing. Would you please clear me about this subject? Thank you
Abdul Badar
Abdul Badar Year ago
Your right amit yad.
Şahin yaşar
Şahin yaşar Year ago
What about Reyhan el Biruni Some source say he was first found gravity
Magnus Trygg
Magnus Trygg Year ago
Şahin yaşar A great scientist indeed. There is some good videos about him here on YT. God Bless
madagari Narsimha
our teachers taught that once sir Isaac Newton was sitting under an apple tree . suddenly the apple fell on the ground. is it true
Amit Aashish
Amit Aashish Year ago
Some teacher says that that Newton set under the apple tree then apple fall down on Newton's head
T Slong
T Slong Year ago
The most original genius
THE Untold Stories
He was legend
Ron Kreike
Ron Kreike Year ago
Sun’s rotation influences the motion of planets, so Newton was wrong?
Rajkumar Chetri
joshua schmit
joshua schmit Year ago
10:30 ERROR! The feather falls slower because it gathers more air resistance the apple.
aarti mishra
aarti mishra 3 months ago
It's an ideal condition....in vacuum
evil morty rickest morty
Then the apple
evil morty rickest morty
Josephine Asiedu
Josephine Asiedu 5 months ago
Is that not the same thing
Justwickk 7 months ago
joshua schmit w/roooooooooooooooosh
Ben Quinney
Ben Quinney Year ago
king of Dadri
king of Dadri 2 years ago
Dennis 2 years ago
just kidding
Dennis 2 years ago
on newton falled not an aple, the 8pool falled
Dennis 2 years ago
yallah came to sweden good social xD
Pipky Growtopia
Pipky Growtopia 12 days ago
Dennis 2 years ago
arabs cmon everybody lets go to sweden
Dennis 2 years ago
My bro
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