Shoot it even faster and it will go further still. As you know, it will fly horizontally as it falls. He thought about shooting a cannonball horizontally. It’s something that Isaac Newton came up with. So, what is really happening is that the station is constantly falling toward the Earth, but it’s constantly missing. The space station and everything in it is also moving sideward. If you stopped the space station in its orbit or, if it was just lifted straight up 400 kilometers right after it was originally built, it would fall straight back to Earth, much like Alan Eustace or Felix Baumgartner did when they jumped off a platform 40 kilometers above the Earth’s surface. (Image: NASA/Public domain)īelieve it or not, the explanation is that both the space station and the astronauts are literally falling.
#No gravity room free
The International Space Station is in Free FallĪ person who weighs 150 pounds on Earth will weigh 133 pounds on the space station, which proves there is gravity on the space station.
#No gravity room series
This is a transcript from the video series Understanding the Misconceptions of Science. We shouldn’t have even asked such a ridiculous question. Or are the conspiracy theory crew right after all and it’s all a fake? No, definitely not. So how do we understand what we see with our own eyes? The astronauts definitely look like they are weightless. It’s incorrect to say that they won’t weigh anything. Doing the arithmetic, we find that a person who weighs 150 pounds on Earth will weigh 133 pounds on the space station. So, we can take the ratios and the G and masses cancel out and we get the weight on the space station divided by 150 pounds equals 6400 divided by 6800 all squared. The two equations will be the 150 pounds equals G times the masses divided by the 6400 kilometers squared and the unknown weight on the space station being the same G times masses divided by 6800 kilometers squared. Let’s take a person with a weight of 150 pounds on the surface of the Earth and let’s have our unknown as the weight of a person on the International Space Station. What we can do is we can set-up the two equations in the following way. Instead, we remember that a weight is a force. So, we don’t have to worry about those things. The mass of the person and the Earth doesn’t change and neither does G. We want to know the weight of a person on the surface of the Earth compared to the weight of a person in the space station, there are some constants in the problem. Now to show you that gravity does exist on the space station, we can look up the numbers or we can be smart and set the problem up as a simple ratio.
Remember that Newton’s law of gravity says that the force between two objects, in this case a person and the Earth, is equal to G times the person’s mass times the Earth’s mass divided by the squared distance between the person and the center of the Earth. The radius of the Earth is about 6,400 kilometers and the International Space Station orbits about 400 kilometers straight up, or at an orbital radius of about 6,800 kilometers.
(Image: NASA/Public domain) Weight of a Person on Space Stations Is there gravity inside the International Space Station? Then how do we explain what we see in the videos? There is gravity on the International Space Station, but astronauts appear to be weightless because both the space station and the astronauts are in free fall.
That this is not even close to being true. By Don Lincoln, Ph.D., University of Notre Dame Video clips of astronauts on the International Space Station doing flips and all sorts of things makes it very clear that they are working in a place where there is no gravity.
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