Gravitational pull on an object
The framework the Universe is built from (space-time) is flexible and is affected (to a degree) by the *contents* of the Universe. Particles with mass *deform* spacetime. The effect is very, very weak - but it s there, and it s cumulative. You and I have hardly any effect, but a big ball of stuff like…
What is black matter?
Share This article Physics is unique in the scientific world, in that its reliance on math means it can come to a broad consensus on matters with very little evidence available. In Earth science, a veritable mountain of evidence can’t fully bury the issue of global warming, and even with the vast majority…
What is the laws of relativity?
Law of relativity is another and it states that nothing is good or bad, big or small until you RELATE it to something The law of relativity tells us that everything in our physical world is only made real by its relationship or comparison to something. Light only exist because we compare it to dark…
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Dark energy Stars
For three days in April, 2005, I was a speaker and panelist at the NASA-sponsored “Physics for the 3rd Millennium II Conference” in Huntsville, Alabama, where twelve of us, including two Nobel Laureates, were invited to give 50-minute lectures about cutting-edge physics to an audience of NASA engineers…
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Gravitational field of the Earth
Geophysicists utilize slight variations in gravitational force to characterize the mass of subsurface features. Particularly useful in petroleum exploration, subtle gravitational field differences can help identify solid subsurface plutonic bodies or fluid filled reservoirs. 1n 1687, English physicist…
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Law of gravity formula
Why do some objects float while others sink? One of the factors that determines this is the density of the object. The density of an object is related to another important factor called specific gravity, which will be the main focus of this lesson. Click next lesson whenever you finish a lesson and…
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Universal Gravitation answers
Top Question: Define force of gravitation. Answer: The force of attraction which exists between any two objects in the universe is known as force of gravitation. Question: State Newton s law of gravitation. Answer: According to this law, Every particle in this universe attracts every other particle…
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Value of the gravitational constant
Physicists have used the quantum nature of matter to obtain a highly precise value for the universal gravitational constant, the bigthat appears in Isaac Newton s law of how gravity pulls together everything, from planets to apples. Although the technique still needs refinements, physicists believe…
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