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In free fall, an astronaut experiences weightlessness, which occurs because both the astronaut and their spacecraft are falling at the same rate due to gravity. This condition can lead to physiological changes, including fluid shifts in the body, muscle atrophy, and bone density loss over time. Additionally, the lack of gravity can affect coordination and balance, making everyday tasks more challenging. Overall, prolonged free fall requires astronauts to adapt to new physical and psychological conditions.
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Where does an astronaut start to feel weightless?
when the rockets stop firing, astronauts begin free fall (weightless).
Do astronauts have weight in space?
Any object that has mass has weight even in space. If an astronaut weighs 195 pounds while standing on the planet then he/she will also weigh 195 pounds while in space. Earths gravity, which determined the weight, will exert the same force on this astronaut because the mass is the same. While in space, it may appear the astronaut is "floating", he/she is actually in free fall. What this means is, as they travel around the planet they are in reality "falling" to Earth but, for every inch they fall, the planet move an inch out of their way.
When an object falling towards the earth that is being accelerated only by gravity is said to be in?
Free fall.
Is a satellite in free fall?
Yes it is.
Why is an astronaut weightless?
Typically, an astronaut and their vehicle are in free fall around the Earth (orbit). This feels like going down a big hill on a roller coaster, but it doesn't stop until reentry. If you sat on a weighing scale while riding a roller coaster, you would see your weight change with changes in momentum as the roller coaster climbed, fell, banked etc.... Say you normally weigh 150lbs, when you're climbing up the big hill, the scale would show you weighing more than 150 (your weight plus the acceleration as you gain altitude). When you crest the hill and plummet downward, the scale will read much less than 150lb, as your seat, the scale & YOU fall back towards the ground. Likewise, an astronaut sitting on scale would weigh more than normal during lift off and climbing to orbit. Typically, astronauts will weigh 2-4 times their normal weight during this time. Once the spacecraft is in orbit, it is in continuous free fall around the Earth. The scale would read "0" (zero).
Which of these is an example of free fall?
an astronaut floating in a space ship
Why could an astronaut easily carry a big load of instrument?
Depending where the astronaut is located, a large load will weigh much less than on Earth, or even weigh nothing (if the astronaut is in free fall).
Where does an astronaut start to feel weightless?
when the rockets stop firing, astronauts begin free fall (weightless).
What anastronaut working in Space near the International space station says she feel weightless. What does she mean Does the astronaut no have weight?
It actually means that the astronaut is in free fall, and doesn't FEEL gravity. Gravity does affect the astronaut, so the astronaut will still be accelerated towards Earth. However, the astronaut won't feel the gravity.
Is the earths gravitational pull significant on an astronaut standing on the moon?
The astronaut on the Moon will be in free-fall round the Earth, just like the rocks round him/her and all the rest of the Moon as well. So the astronaut won't feel any force.
How does Gravity affect astronouts in space?
Gravity from objects such as the Earth, the Moon, the Sun, or the Milky Way will attract and accelerate an astronaut. "Accelerate" implies that the astronaut's velocity will change over time.If the astronaut is in free fall (basically, the spaceship's engine is not pushing the spacecraft), then the astronaut won't FEEL such gravity.
Why does an astronaut float in an orbiting spaceship?
An astronaut floats in an orbiting spaceship because they are in a state of continuous free fall towards the Earth, which creates the sensation of weightlessness. This is due to the balance between the astronaut's forward motion and the gravitational pull of the Earth, allowing them to float inside the spaceship.
Why an astronaut in a space shuttle feels weightless?
"Weight" happens when the attraction of gravity on a mass is resisted, we only FEEL the weight when we are resisting gravity. Weightlessness therefore happens when gravity is not resisted - when you are in "free-fall".In a space when you are in orbit round the Earth, you are effectively in "free-fall" and therefore as you are not resisting gravity you are weightless (but not massless).
If A 75kg astronaut in space pushes against a 200kg anvil when the astronaut lets go what will happen?
the anvil will fall down
An astronaut leaves a spaceship that is moving through free space to adjust an antenna Will the spaceship leave the astronaut behind?
No because the astronaut's relative velocity will be approximately the same as that of the spacecraft.
Do astronauts have weight in space?
Any object that has mass has weight even in space. If an astronaut weighs 195 pounds while standing on the planet then he/she will also weigh 195 pounds while in space. Earths gravity, which determined the weight, will exert the same force on this astronaut because the mass is the same. While in space, it may appear the astronaut is "floating", he/she is actually in free fall. What this means is, as they travel around the planet they are in reality "falling" to Earth but, for every inch they fall, the planet move an inch out of their way.
What is use of free fall?
You fall for free
