# Weightlessness physics question

• TyErd
In summary, the conversation discusses the question of how to experience weightlessness on a slope, with the relevant equations being W=mg and a=gsintheta. The person also asks for assistance in including a diagram in their post.

#### TyErd

Okay the problem statement is in a word document because I had to include a diagram. Please check it out.

okay to experiece weightlessness, I know that acceleration due to gravity has to equal gravitational field strength. What bothers me is how do you experience weightlessness when there on a slope? relevant equations may be W=mg and perhaps a=gsintheta.

Im really not sure where to start this question as it is a theory question

#### Attachments

• physics qestion.doc
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TyErd, you will have much better luck getting help if you use the template given to you when you created the post -- and you will have even better luck if you do not use attachments. I, for one, never open Microsoft Word attachments. There is just too much risk of my computer getting hosed by a virus.

then how do i put up a diagram?

TyErd said:
then how do i put up a diagram?

When you reply, use the 'Go Advanced' button. This will pull up the Advanced Text Editor. It has a little paperclip icon that will allow you to upload an image.

## 1. What is weightlessness in physics?

Weightlessness, also known as microgravity, is a condition in which the force of gravity is greatly reduced or eliminated. This can occur when an object is in a state of free fall, such as when orbiting around a planet or traveling through space.

## 2. How does weightlessness affect objects?

In a state of weightlessness, objects do not experience the normal force of gravity, which means they do not have weight. This can cause objects to appear to float or drift, as they are not being pulled towards the ground with the same force as they would be on Earth.

## 3. How do astronauts experience weightlessness in space?

Astronauts experience weightlessness in space because they are in a state of constant free fall around the Earth, which creates the sensation of weightlessness. This is why astronauts on the International Space Station appear to float and can move around without being pulled to the ground.

## 4. How does weightlessness impact the human body?

Extended periods of weightlessness can have a variety of effects on the human body, including muscle atrophy, bone loss, and changes in blood circulation. This is why astronauts must exercise regularly and follow strict health protocols while in space to counteract the effects of weightlessness.

## 5. Can weightlessness be simulated on Earth?

Yes, weightlessness can be simulated on Earth through the use of parabolic flight, also known as the "vomit comet". This involves flying an aircraft in a series of parabolic arcs, causing brief periods of weightlessness for passengers onboard. This is often used for training astronauts and conducting scientific experiments in simulated microgravity conditions.