Weightlessness

Weightlessness is the state of not experiencing the effects of gravity. Most citizenry 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 atomic number 18 in a freefall skydiving, on a rollercoaster at an fun park, or when NASA trains astronauts. When riding a roller coaster, there be times when you experience weightlessness or think you be experiencing weightlessness. At the top of a circle it feels like you be 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 confrontation. When the upwardly force of the air opponent equals the jumpers weight then he experiences zero acceleration 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.

bingle 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 series of parabolic patterns. This was first done in July of 1978 by Guion S. Bluford. another(prenominal) way they experience weightlessness is in a simulator. Although they dont physical! ly 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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