"If an apple falls, does the moon also fall?"
This question triggered the discovery and understanding of gravity, by Sir Isaac newton. He devised an equation to theorise gravity:
F=GMm/r2.
G = universal gravitational constant, 6.673x10-11
M,m = masses of the two objects gravitationally attracting each other
r = distance between objects
This was a very close approximation for the time being, and in fact even today, but after Einstein's Theories of Special and General Relativity, gravity would never be lookad at the same way again.
Einstein developed 10 field equations which better explain space-time as a fabric, and postulated that gravity is caused by warps in this fabric caused by large masses.
This therefore meant that gravity warps the flow of time - and that objects with extremely strong gravitational fields such as black holes slow down time around them.
Some of the most recent ideas, thoughts and theories on gravity arose from the Standard Model, which claims that the force of gravity is mediated by light-speed particles called Gravitons.
This would mean that if the sun were to suddenly disappear, we would not only receive its light for 8 minutes and 20 seconds after it vanished, but we would also continue moving in orbit for this time, after which the night sky would become visible and the Earth would begin moving in a straight line.
Gravitons are mysterious particles that have not yeet been discovered or observed, but are known to be massless, since gravity has an infinite range.
Mass attracts mass due to gravity, which is a fundamental force in the universe. According to the theory of general relativity, mass warps the fabric of spacetime, causing objects with mass to be drawn towards each other. This attraction is what we experience as gravity.
Yes, Albert Einstein developed the general theory of relativity, which explains how gravity works as a curvature of spacetime caused by mass. His work significantly advanced our understanding of gravity.
Gravity has been around as long as there has been mass. They come together; you can't separate them.
Because, since gravity is all around and everywhere all the time, we evolved to live with it, and if you suddenly changed the environment of physical laws and forces to which we spent millions of years adapting ourselves, then naturally we would have a tough time making the sudden change. On the other hand, it has been clearly demonstrated that humans CAN live without gravity, at least for a time. Astronauts in orbit and in transit to and from the moon do not experience the effects of gravity, yet live quite well vor months at a time - in the space station, for example.
To calculate payback time in years, divide the initial cost of the investment by the annual savings or benefits generated by the investment. The result will give you the number of years it will take for the investment to pay for itself.
ideas changed about medicine and astronmy because as the years went on people got less superstitious and science developed.
because it has
differed ideas over the years
changed dramatically over the last 40 years.
The science of plumbing has changed trmendously. Plumbing codes have been developed not only to provide safety in home but to meet the needs of the Fire Services Department.
no science NEVER EVER changes. over all these years science hasn't changed a bit. yes different people discovered different things but other than that science doesn't change and it never will!
I don't know Check on google! or on a science nerd website.
To see how they act, they give us ideas about how there relatives acted millions of years ago.
The ideas embodied in the 1776 Declaration of Independence have not been changed. What has been changed are societies and governments seeking to create better societies. One of the beliefs of American abolitionists was that the American Declaration clearly, in their minds, showed Americans that slavery ran counter to the words of the declaration.
From the very start there were two thoughts of how government should be and these developed into political parties. Through the years they have changed names, and changed ideas about government.
Experimenting new recipes and ideas has vastly changed the presentation of food toÊunimaginable levels. Today, food is cooked to meet the style, preferences and interest of different people.
Science is simply destructive because of nuclear reactions and all kinds of storms! Then there's the sun's gravity pulling the nine planets in our Solar System closer to it a tiny bit every few years... Answered by: QWERTY