Why do astronauts in an orbiting satellite have a feeling of weightlessness?

Why do astronauts in an orbiting satellite have a feeling of weightlessness?
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Why do astronauts in an orbiting satellite have a feeling of weightlessness?
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Why is weightlessness experienced while orbiting the earth in space ships? (1) Inertia (2) Acceleration (3) Zero gravity (4) None of these

Description : Why is weightlessness experienced while orbiting the earth in space ships? (1) Inertia (2) Acceleration (3) Zero gravity (4) None of these

Last Answer : (4) None of these Explanation: The reason astronauts experience weightlessness which orbiting the earth in spaceships is that they are in free fall. A spacecraft in orbit is falling towards the Earth, because ... in its orbit fast enough that the path it follows is a curve that is a closed ellipse.

A man inside an artificial satellite feels weightlessness because the force of attraction due to earth is – (1) zero at that place (2) is balanced by the force of attraction due to moon (3) equal to the centripetal force (4) non-effective due to particular design of the satellite

Description : A man inside an artificial satellite feels weightlessness because the force of attraction due to earth is – (1) zero at that place (2) is balanced by the force of attraction due to moon (3) equal to the centripetal force (4) non-effective due to particular design of the satellite

Last Answer : (1) zero at that place Explanation: Earth attracts all bodies towards its centre. The acceleration produced in the body due to attraction force of earth on it is called the acceleration due to ... and centrifugal force which cancel out each other with the resultant force acting on him being zero.

A man inside an artificial satellite feels weightlessness because the force of attraction due to earth is (1) zero at that place (2) is balanced by the force of attraction due to moon (3) equal to the centripetal force (4) non-effective due to particular design of the satellite

Description : A man inside an artificial satellite feels weightlessness because the force of attraction due to earth is (1) zero at that place (2) is balanced by the force of attraction due to moon (3) equal to the centripetal force (4) non-effective due to particular design of the satellite

Last Answer : zero at that place

Our weight will be zero under all of the following conditions EXCEPT a.107 dynes b.We are at the centre of the earth c.When we are ascending in a lift with acceleration of 4.9 m/s2 d.We are orbiting in a satellite e.When we are freely faling

Description : Our weight will be zero under all of the following conditions EXCEPT a.107 dynes b.We are at the centre of the earth c.When we are ascending in a lift with acceleration of 4.9 m/s2 d.We are orbiting in a satellite e.When we are freely faling

Last Answer : c. When we are ascending in a lift with acceleration of 4.9 m/s2

What is critical velocity? Obtain an expression for critical velocity of an orbiting satellite. On what factors does it depend?

Description : What is critical velocity? Obtain an expression for critical velocity of an orbiting satellite. On what factors does it depend?

Last Answer : What is critical velocity? Obtain an expression for critical velocity of an orbiting satellite. On what factors does it depend?

Satellite Dishes Provide Orbiting Internet Access?

Description : Satellite Dishes Provide Orbiting Internet Access?

Last Answer : A satellite dish can make the difference between living inisolation and keeping pace with the rest of the world. By using asatellite dish to connect to the internet, people living ingeographic areas where ... can be considerably faster online thana dial-up telephone connection, and it is as fast o

A satellite in vacuum - (1) is kept in orbit by remote control (2) is kept in orbit by retro-rocket (3) derives energy from gravitational fielod (4) does not require any energy for orbiting

Description : A satellite in vacuum - (1) is kept in orbit by remote control (2) is kept in orbit by retro-rocket (3) derives energy from gravitational fielod (4) does not require any energy for orbiting

Last Answer : (4) does not require any energy for orbiting

A satellite in vacuum - (1) is kept in orbit by remote control (2) is kept in orbit by retro-rocket (3) derives energy from gravitational fielod (4) does not require any energy for orbiting

Description : A satellite in vacuum - (1) is kept in orbit by remote control (2) is kept in orbit by retro-rocket (3) derives energy from gravitational fielod (4) does not require any energy for orbiting

Last Answer : (4) does not require any energy for orbiting

Mass of satellite orbiting Earth is A. considered B. irrelevant C. should be infinite D. should be zero

Description :  Mass of satellite orbiting Earth is A. considered B. irrelevant C. should be infinite D. should be zero

Last Answer : should be infinite

Is it possible that dreams of flying are memories of weightlessness?

Description : Is it possible that dreams of flying are memories of weightlessness?

Last Answer : Yes.

What adverse effects does weightlessness have on the body?

Description : What adverse effects does weightlessness have on the body?

Last Answer : Here is a scientific paper listing them all.

An astronaut inside a spacecraft is in a state of weightlessness. This implies that A. The mass of the astronaut is reduced to zero B. Gravity inside the spacecraft ceases to act C. The astronaut is outside the D. The astronaut and the spacecraft are both in a free-falling state

Description : An astronaut inside a spacecraft is in a state of weightlessness. This implies that A. The mass of the astronaut is reduced to zero B. Gravity inside the spacecraft ceases to act C. The astronaut is outside the D. The astronaut and the spacecraft are both in a free-falling state

Last Answer : ANSWER: D

The sensation of weightlessness in a spacecraft in an orbit is due to the – (1) Absence of gravity outside (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside (3) Presence of gravity outside but not inside the spacecraft (4) Fact that spacecraft in the orbit has no energy

Description : The sensation of weightlessness in a spacecraft in an orbit is due to the - (1) Absence of gravity outside (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside ... of gravity outside but not inside the spacecraft (4) Fact that spacecraft in the orbit has no energy

Last Answer : (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside Explanation: Weightlessness in space is caused by the simple physical factors that cause the limitation of gravity. ... . Many people believe that a lack of gravity is the root cause for weightlessness in space.

The sensation of weightlessness in a spacecraft in an orbit is due to the – (1) Absence of gravity outside (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside (3) Presence of gravity outside but not inside the spacecraft (4) Fact that spacecraft in the orbit has no energy

Description : The sensation of weightlessness in a spacecraft in an orbit is due to the - (1) Absence of gravity outside (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside ... of gravity outside but not inside the spacecraft (4) Fact that spacecraft in the orbit has no energy

Last Answer : (2) Acceleration in the orbit which is equal to the acceleration due to gravity outside Explanation: Weightlessness in space is caused by the simple physical factors that cause the limitation of gravity. ... . Many people believe that a lack of gravity is the root cause for weightlessness in space.

Why is Weightlessness experienced in spaceship?

Description : Why is Weightlessness experienced in spaceship?

Last Answer : Due to absence of gravity

The sensation of weightlessness in a spacecraft in an orbit is due to the (1) absence of gravity outside (2) acceleration in the orbit which is equal to the acceleration due to gravity outside (3) presence of gravity outside but not inside the spacecraft (4) fact that spacecraft in the orbit has no energy

Description : The sensation of weightlessness in a spacecraft in an orbit is due to the (1) absence of gravity outside (2) acceleration in the orbit which is equal to the acceleration due to gravity outside (3 ... of gravity outside but not inside the spacecraft (4) fact that spacecraft in the orbit has no energy

Last Answer :  acceleration in the orbit which is equal to the acceleration due to gravity outside

How do astronauts tell the time in space?

Description : How do astronauts tell the time in space?

Last Answer : Do you set your time-keeping devices by sunrise and sunset?

How would astronauts and citizens of Mars and beyond tell the time?

Description : How would astronauts and citizens of Mars and beyond tell the time?

Last Answer : With a clock set to Coordinated Universal Time (UTC)

Do astronauts need to move their bowels before going up into space?

Description : Do astronauts need to move their bowels before going up into space?

Last Answer : I recommend reading Chris Hadfield’s book: An Astronaut’s Guide to Life on Earth, in which he discusses all these technicalities of life off planet.

Neil Armstrong has died. What did the astronauts and NASA do for you?

Description : Neil Armstrong has died. What did the astronauts and NASA do for you?

Last Answer : As a young girl, I wanted to be an astronaut. I have spent my entire life in awe of the universe, and on the simplest level NASA has been my connection to exploring that. I have to admit, I ... to feel in our last moments. That we did something that matters, that we lived our lives to the fullest.

How do astronauts pee in zero gravity?

Description : How do astronauts pee in zero gravity?

Last Answer : Yah, in a bag. It’s not all subject to gravity. Muscles do a lot of the work. NASA provides details.

If a team of astronauts had no communication with Earth, what do they do?

Description : If a team of astronauts had no communication with Earth, what do they do?

Last Answer : the will play 21 until they get bored, then, they might return…

Sending along plenty of resources - If astronauts agree, should we save a lot of money and give them a one-way ticket to Mars?

Description : Sending along plenty of resources - If astronauts agree, should we save a lot of money and give them a one-way ticket to Mars?

Last Answer : I could swear you’ve asked this before No, any trips to Mars need to include a return trip or efforts to set up a permanent base. Sending these guys to live out the rest of their lives on Mars with no support from Earth is unethical.

Do astronauts use a catheter during spacewalks?

Description : Do astronauts use a catheter during spacewalks?

Last Answer : answer:They wear “MAGs” which stands for Maximum Absorbency Garments. Nothing fancy, just a big kids diaper. link

How are prisoners like astronauts? -Riddles

Description : How are prisoners like astronauts? -Riddles

Last Answer : Both are interested in outer space

When do astronauts eat their sandwiches? -Riddles

Description : When do astronauts eat their sandwiches? -Riddles

Last Answer : At launch time.

Where do astronauts leave their spaceships? -Riddles

Description : Where do astronauts leave their spaceships? -Riddles

Last Answer : At parking meteors

The first spaceship which carried three American astronauts to land two of them on the moon -Space

Description : The first spaceship which carried three American astronauts to land two of them on the moon -Space

Last Answer : The Apollo 11 Command Module Columbia carried astronauts Neil Armstrong, Edwin "Buzz" Aldrin, and Michael Collins on their historic voyage to the Moon and back on July 16-24, 1969. During the mission, astronauts Armstrong and Aldrin became the first human explorers of another world.

How does the outer sky look to astronauts? -General Knowledge

Description : How does the outer sky look to astronauts? -General Knowledge

Last Answer : Space has no atmosphere. Hence, light rays from the sun are not scattered in the atmosphere. Due to this, the sky appears dark to an astronaut.

How does the outer sky look to astronauts? -General Knowledge

Description : How does the outer sky look to astronauts? -General Knowledge

Last Answer : answer:

How does the outer sky look to astronauts? -General Knowledge

Description : How does the outer sky look to astronauts? -General Knowledge

Last Answer : In outer space, the sky appears dark instead of blue to an astronaut because there is no atmosphere containing air in outer space to scatter sunlight. Since there is no scattered light to reach our eyes in outer space, the sky appears to be dark there.

How does the outer sky look to astronauts? -General Knowledge

Description : How does the outer sky look to astronauts? -General Knowledge

Last Answer : Space has no atmosphere. Hence, light rays from the sun are not scattered in the atmosphere. Due to this, the sky appears dark to an astronaut.

Do we presently have the technology to send astronauts to Mars?

Description : Do we presently have the technology to send astronauts to Mars?

Last Answer : That is really an interesting question.I was wondering about it too,so I have made a little research about it online, and I found out,that a mission to Mars is rather a complex one,than ... to conquer the Mars too and become part of other legendary astronauts, like:Neil Armstrong,Buzz Aldrin etc.

How many syllables are in the word astronauts?

Description : How many syllables are in the word astronauts?

Last Answer : 3

Select all of the abstract nouns in this sentence. The most dramatic moments of a launch are the countdown and the takeoff; then, the fear that the astronaut's wife kept hidden slowly dissolves with a small sigh of relief.?

Description : Select all of the abstract nouns in this sentence. The most dramatic moments of a launch are the countdown and the takeoff; then, the fear that the astronaut's wife kept hidden slowly dissolves with a small sigh of relief.?

Last Answer : moments,fear,relief

Which universities have the most astronauts graduated from?

Description : Which universities have the most astronauts graduated from?

Last Answer : The US Naval Academy has graduated 51 astronauts. See the following link: http://www.usna.edu/admissions/Notables/Astronauts/index.htm

Which universities have the most astronauts graduated from?

Description : Which universities have the most astronauts graduated from?

Last Answer : The US Naval Academy has graduated 51 astronauts. See the following link: http://www.usna.edu/admissions/Notables/Astronauts/index.htm

'SONAR' is mostly used by - (1) Doctors (2) Engineers (3) Astronauts (4) Navigators

Description : 'SONAR' is mostly used by - (1) Doctors (2) Engineers (3) Astronauts (4) Navigators

Last Answer : (4) Navigators Explanation: a method or device for detecting and locating objects especially underwater by means of sound waves sent out to be reflected by the objects also : a device for detecting the presence of a vessel (such as a submarine) by the sound it emits in water.

Scientists who travel in the spacecraft are called ……………….. . (a) astronauts (b) researchers (c) engineers

Description : Scientists who travel in the spacecraft are called ……………….. . (a) astronauts (b) researchers (c) engineers

Last Answer : (a) astronauts

In the outer space astronauts talk to each other through radios. Why?

Description : In the outer space astronauts talk to each other through radios. Why?

Last Answer : Ans: sound waves need a material medium for its propagation. There is no air in space and hence, sound waves cannot travel. However, radio waves can travel through space. The astronauts can see each other because light, like radio waves, can travel through vacuum.

Explain how do astronauts survive and work in space.

Description : Explain how do astronauts survive and work in space.

Last Answer : I. Pressurized section in which scientists work without space suits. II. Open to space section on which equipment is mounted for observing the earth and sky. Unprotected human body cannot ... foods are prepared and packaged for easier transportation and a variety of tastes for the astronauts.

“Astronauts cannot burp in space.”

Description : “Astronauts cannot burp in space.” 

Last Answer : This is all to do with gravity. On Earth gravity helps us to burp by holding all the solid and wet waste in our stomachs exactly there, in our stomachs, whilst the gas comes out. In space ... not a pleasant experience for astronauts or their crewmates. In fact, they call this experience: a Bomit.

How important is Juno orbiting Jupiter?

Description : How important is Juno orbiting Jupiter?

Last Answer : It is up there with landing on the Moon and Mars, historical in my option.

For two planets orbiting the sun, do you see why it makes sense to speak of the planets as revolving around each other?

Description : For two planets orbiting the sun, do you see why it makes sense to speak of the planets as revolving around each other?

Last Answer : No, technically they do not revolve around each other. They both revolve around a third object.

Question on velocity of an object orbiting a planet.

Description : Question on velocity of an object orbiting a planet.

Last Answer : I’m pretty sure the answer is 1m but I wanted to know if it was more complex than that or that I was flat out wrong.

How can you make an orbiting blur in photoshop?

Description : How can you make an orbiting blur in photoshop?

Last Answer : answer:it's hard to tell what you need without some sort of picture reference. But maybe you could do something like I have done here. These were two photos I did for a company ... .graphic-design.com/Photoshop/motion_blur/index.html or http://www.photoshopessentials.com/photo-effects/motion-blur/

Electrons orbiting an atomic nucleus exist in a quantum probabilistic location. Are the actual measurements of that location infinite?

Description : Electrons orbiting an atomic nucleus exist in a quantum probabilistic location. Are the actual measurements of that location infinite?

Last Answer : answer:The strange behavior at the quantum level produces the rock that Dr. Johnson kicks when he refutes Bishop Berkeley. In a Woody Allen movie, a young, frightened Woody couldn’t do his homework, because the Universe was expanding. His mother’s “What is it your business?”

Are we dependent on the other orbiting planets in our solar system?

Description : Are we dependent on the other orbiting planets in our solar system?

Last Answer : I don’t think so because they don’t provide us with anything, we just have gravity to thank that we don’t crash into them.

Why do birds fly in strange, orbiting circles?

Description : Why do birds fly in strange, orbiting circles?

Last Answer : some birds (of prey and vultures) circle like that in an updraft to gain altitude without much energy expended so they can then continue soaring around watching for food.

We all know atoms have a lot of empty space on the orbiting electrons, so would it be possible for another world to exist right here where we are that we are not aware of?

Description : We all know atoms have a lot of empty space on the orbiting electrons, so would it be possible for another world to exist right here where we are that we are not aware of?

Last Answer : Isn’t that like string theory?