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How does newtons view of gravity differ from Einsteins view of gravity?
Wiki User
∙ 13y ago
Einstein's view of gravity is built upon Newton's but extended to some special situations where Newton's Laws (postulations?) have been shown or suggested not to apply. In particular in the presence of extremely high gravitational forces such as occur close to a black hole and as velocities approach the speed of light.
Wiki User
∙ 13y ago
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What are examples of unseen forces?
Gravity As for the science behind the action, we know that Isaac newton defined gravity as a force -- one that attracts all objects to all other objects. We know that Albert Einstein said gravity is a result of the curvature of space-time. These two theories are the most common and widely held (if somewhat incomplete) explanations of gravity. In this article, we'll look at Newton's theory of gravity, Einstein's theory of gravity and we'll touch on a more recent view of the phenomenon as well. Although many people had already noted that gravity exists, Newton was the first to develop a cohesive explanation for gravity, so we'll start there. see video on this link: http://science.howstuffworks.com/environmental/earth/geophysics/question232.htm
How do gravity effect everyday life?
On the most basic of terms, gravity keeps us stable and walking. Gravity allows for friction and the physics rules that we as humans have come to terms with. On a much more holistic view, the amount of gravity that was defined in the very first microseconds of the Big Bang has shaped our entire universe; more gravity than we have currently and there would be too strong a pull and all matter comes crashing in, if there was less of a pull than we have now, the entire universe would just remain completely amorphous.
What is a metacentric diagram?
A metacentric diagram is a vessel (ship) stability diagram that shows the relative positions above and below the metacenter of the center of buoyancy and the center of gravity, respectively. Use the link to the Wikipedia article to view one and see how it looks. Follow along and see how it works. When a vessel floats in water, its center of gravity is below its center of buoyancy. That allows gravity to pull down on buoyancy from below the bouyancy to pull up on gravity from above (if it is permitted to say it that way). If the center of buoyancy slips below the center of gravity, the vessel will roll over. Visualize that. And the closer the two centers are, the less stable the vessel. That is, the more prone to rollover it is. The "sweet spot" between the centers of buoyancy and gravity is the metacenter. It's important in evaluating a ship's stability.
How did Issac Newtons law on gravity change the world?
Newton described Universal gravitation & the three laws of motion. As a result of his discoveries, astronomy and physics have developed immensely over time. Scientists now understand that every object in the universe has a force that attracts each other and the strength of the force depends on the size of the object. Also, Newton's Laws of Motion give people a better understanding of what is possible regarding movement. This is very beneficial, especially in mechanics and space travel. Overall, Newton had an enormous and lasting impact on science. Newton also changed how we view light. He found that ordinary "white" light could be broken into component colors by shining the light through a prism. The prism refracted the light, producing all the colors of the rainbow -- the familiar Red, Orange, Yellow, Green, Blue, Indigo and Violet (or "Roy G Biv") we all know so well today.
How do you make AntiGravity vehicles?
You can't. At least, with what we know about gravity right now, its impossible. Here's why: As far as we can tell, gravity is not actually a force, properlly speaking. In physics, all forces require an exchange of particles that exert some sort of push or pull. The electromagnetic force, weak nuclear force and strong nuclear force all exhibit this property, generally through the exchange of photons. And while particle physics speculates that there could be a "graviton" (the particle which causes gravitational attraction), we haven't seen it yet. If there was such a particle, it would be theoretically possible to build a device which is not affected by gravitons and so would be a true anti-gravity device. However, the view we get of gravity from Einstein and other's is that gravity is just a bend in space caused by massive objects. Imagine a trampoline with a bowling ball in the center. Normally, space-time is flat (or mostly flat) like the trampoline, but like the bowling ball, when you introduce heavy objects, you make dents in the surface that extend past the ball itself, creating what is (in astrophysics) called a "gravity well". In this model, the only way to fight against gravity is to create a force that goes in the opposite direction (like a rocket) that provides sufficient excelleration to escape the well. Read-up about the Nazi Bell Experiment
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How did Einsteins theory of relativity change people's view of the universe?
So far my view is concerned, I have realized that space and time are only relative to the observer. "Nothing is absolute" is the statement made by Albert Einstein. The very observer is the absolute. So we have to realize our own selves. This is my humble view
How did Einsteins theory of relativity change peoples view of the universe?
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