A Quote by Isaac Newton
Thus far I have explained the phenomena of the heavens and of our sea by the force of gravity, but I have not yet assigned a cause to gravity. Indeed, this force arises from some cause that penetrates as far as the centers of the sun and planets without any diminution of its power to act, and that acts not in proportion to the quantity of the surfaces of the particles on which it acts (as mechanical causes are wont to do) but in proportion to the quantity of solid matter, and whose action is extended everywhere to immense distances, always decreasing as the squares of the distances.
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I have explained the phenomena of the heavens and of our sea by the force of gravity, but I have not yet assigned a cause to gravity.
Just as the power of the sun is the only force in the natural universe that causes a plant to grow against gravity, so the grace of God is the only force in the spiritual universe that causes a person to grow against the gravity of their own ego.
The total quantity of all the forces capable of work in the whole universe remains eternal and unchanged throughout all their changes. All change in nature amounts to this, that force can change its form and locality, without its quantity being changed. The universe possesses, once for all, a store of force which is not altered by any change of phenomena, can neither be increased nor diminished, and which maintains any change which takes place on it.
As Attraction is stronger in small Magnets than in great ones in proportion to their Bulk, and Gravity is greater in the Surfaces of small Planets than in those of great ones in proportion to their bulk, and small Bodies are agitated much more by electric attraction than great ones; so the smallness of the Rays of Light may contribute very much to the power of the Agent by which they are refracted.
Which was first, Matter or Force? If we think on this question, we shall find that we are unable to conceive of matter without force, or force without matter. When God created the elements of which the earth is composed, He created certain wondrous forces, which are set free and become evident when matter acts on matter.
There is still some gravity where we are and even as far out as our moon. That is why our moon stays in orbit around the Earth. We don't feel the gravity up here because it is so much smaller than the force we feel when we are on the Earth.
That which we call character is a reserved force which acts directly by presence, and without means. It is conceived of as a certain undemonstrable force, a familiar or genius, by whose impulses the man is guided, but whose counsels he cannot impart.
In proportion to the value of this revolution; in proportion to the importance of instruments, every word of which decides a question between power and liberty; in proportion to the solemnity of acts, proclaiming the will authenticated by the seal of the people, the only earthly source of authority, ought to be the vigilance with which they are guarded by every citizen in private life, and the circumspection with which they are executed by every citizen in public trust.
Why does an apple fall when it is ripe? Is it brought down by the force of gravity? Is it because its stalk withers? Because it is dried by the sun, because it grows too heavy, or because the boy standing under the tree wants to eat it? None of these is the cause.... Every action of theirs, that seems to them an act of their own freewill is in the historical sense not free at all but is bound up with the whole course of history and preordained from all eternity.
A true history of human events would show that a far larger proportion of our acts are the result of sudden impulse and accident than of that reason of which we so much boast.
Just as the system of the sun, planets and comets is put in motion by the forces of gravity, and its parts persist in their motions, so the smaller systems of bodies also seem to be set in motion by other forces and their particles to be variously moved in relation to each other and, especially, by the electric force.
Jackass: The Movie is great. I think it's in the tradition of physical comedy, which I'm really interested in. Its relationship to gravity, and how gravity acts on the body
'Jackass: The Movie' is great. I think it's in the tradition of physical comedy, which I'm really interested in. Its relationship to gravity, and how gravity acts on the body.
I have not been able to discover the cause of those properties of gravity from phenomena, and I frame no hypotheses; for whatever is not deduced from the phenomena is to be called a hypothesis, and hypotheses, whether metaphysical or physical, whether of occult qualities or mechanical, have no place in experimental philosophy.
Every particle of matter is attracted by or gravitates to every other particle of matter with a force inversely proportional to the squares of their distances.
In many ways, string theory attempts to go beyond Einstein's dream... an all-encompassing description of nature that works at large distances where gravity becomes important as well as small distances where quantum mechanics is important.
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