Sunday, December 15, 2013

Weightlessness

Weightlessness is the state of not experiencing the effects of gravity. Most passel have on there is only lightsomeness in a no gravity situation such as on the position shuttle. But what most people dont realize, if you atomic number 18 in a state of freefall you live on weightlessness. You be in a freefall skydiving, on a rollercoaster at an diversion park, or when NASA trains astronauts. When riding a roller coaster, there argon times when you experience weightlessness or think you be experiencing weightlessness. At the top of a circle it feels like you are out of your seat experiencing weightlessness. In reality, you are experiencing freefall. When you are on your descent down from the loop everything else is moving with you. When people go skydiving, they are also experiencing a freefall. When the skydiver jumps out of the plane he is slowed by air rampart. When the upwardly force of the air confrontation equals the jumpers weight then he experiences zero accelera tion or a freefall. The heavier the jumper the high the magnitude of the freefall, this is because air resistance is proportional to the falling bodys speeding squared. In training astronauts for a real weightlessness environment NASA incorporates weightlessness training programs.
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superstar such program is nicknamed the vomit comet. This is an airplane, the KC-135, which allows the astronauts to experience weightlessness for 30 second intervals. The plane flies in a serial publication of parabolic patterns. This was first done in July of 1978 by Guion S. Bluford. some other way they experience weightlessness is in a simulator. Although they dont physically ! experience weightlessness, they learn to maneuver the musculus quadriceps femoris craft in a weightless environment. If you want to apprehend a full essay, order it on our website: BestEssayCheap.com

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