ey my science teacher told me this and it sounded pretty cool?

Question

ok my science teacher said that if every1 on 1 side of the world jumped at the same time, it could disrupt the world off of its axis and we would just fly through the vortex. lol i know this sounds really stupid but she said scientists were studdying this

oh ya and whoever answered, blood is blue...and when it hits oxygen it does turn red...

Answer 1

It won't happen that way.
Remember, where does the energy from everyone
landing come from? It comes from them pushing off
the Earth in the first place. The small but existant equal
and opposite reaction of them pushing off the ground
is made up by the gravitational pull of them back to the ground.

Answer 2

Let us find out!

We will assume this many people can be coordinated to do this and it occures over a small area.

If we assume each person weights 120lbs, and there are 454 grams/lbs and 6.5 billion people

150(454)(6500000000)/1000 = 4.42x10^11 kg of people

The mass of the Earth is 5.94x10^24 kg

The mass of the people is a small small small fraction of the mass of the Earth.

Let us only take into account the landing only and assume all other conditions ideal. Let us assume they jump 1/2 a meter off the ground no one splats, people are sticky, and the world is grand.

The people would be going 3.13m/s when they hit the ground.

By conservation of linear momentum in inelastic collisions

mv=(m+M)v_2

After the collision, the velocity of the Earth is 2.33x10^-13m/s relative to whatever.

So it does move. However, the Earth isn't completely solid and neither are people. It's far more likely that this unsolidness would cushion force of the impact, leaving nothing to accelerate the entire Earth or it would simply cause an Earthquake.

The shifting of the tectonic plates in an Eathquake can and has noticably disrupted the movement of the Earth by a small amount.

So in that sense, your science teacher is not incorrect. But it's not as if we can jump the Earth out of orbit.

Answer 3

Absolute nonsense.

The mass of all the people in the world is absolutely insignificant compared to the mass of the Earth. Termites and ants account for more mass than humans.

And if you look a satellite pictures of Earth or look carefully out the window when you fly, most of the Earth is vast empty space. Humans may be outstripping their food sources, but we are still an insiginificant part of the physical world.

People just do not think before they say these stupid things, and seem to have no concept of the scale of things. Don't you think that massive storms in the oceans that can raise 80 foot waves over an area of thousands of square miles would have more effect?

A magnitude 8 or 9 Earthquake would impart many times more the force of everybody jumping up and down, but has no effect on the Earth's axis.

Think. Think. Think for yourself.

OK, note most of what teachers say. But they do not know everything, and be specially wary if they are telling you soemthing that is not in their field of expertise.

NOTE NOTE NOTE

I have just done a quick calculation, and all the people in the world weigh about 4 x 10^11 Kgs

The Earth weighs about 6 x 10^24 Kgs

That means that the Earth outweighs the people by a factor of:

1.5 x 10^13

In simple terms, the Earth is 15 TRILLION times the mass of its people.

What is suggested by this teacher is about as daft as a colony of of fleas being able to move a mountain by jumping all at the same time.

Jeez, people can't get things in perspective.

Get out of the city and see how much widerness and ocean there is, and then think how much mass there is under all that, 4000 miles down to the core.

Answer 4

Yes I see, may I ask what brand of crack does this Science teacher of yours smoke...I am no stranger to the Sciences but you don't need to be a science major to have common sense 1. the weight of all the people of the world is not that much when compared to the mass of the Earth at Sextillion metric tons do you honestly think the weight of 3 billion human beings is enough to knock the world of its axis... At the most, and I am really using my imagination for you here, if 3 billion people jumped up and landed on the ground simultaneously you might be able to produce a very small subcutaneous earthquake. I as I have told my own children as I was told by my own teachers when I was a student if a teacher every says anything questionable or anything thing that challenges or defies logic that may want you to find out about this for yourself to motivate you to find out I strongly encourage you to vist the library or use the internet to find out "which" scientist are studying this and who came up with this idea.

Answer 5

Pure myth. Given an average weight of 150 lbs, the total mass all people on Earth is 600,000,000 tons.

The mass of the planet would need that much weight to be moving at well over 1,000 KPH and concentrated into a very small area to be affected. We can't get that many people moving fast enough and in a tight enough area to cause any sort of disruption in the orbit of the Earth.

The asteroid that hit the planet 65 million years ago was moving with enough speed and mass to MORE than out do what we could do with our jump and the planet is still where it was then in relationship to the sun.

So, sorry to say, your teacher needs more accurate information on basic physics and astronomy.

Answer 6

Indeed, your teacher is stupid if she actually believes that. Scientists are not studying it because the answer is painfully obvious...though there are some kooks out there trying to make it sound like a serious issue. They're even planning a world jump day...trying to get as many people as they can to jump at the same moment.

Answer 7

Teachers do not know everything. My daughter's 5th grade teacher told her that blood was blue but when it hit the oxygen it turns red. Don't believe everything you hear. Even Doctors have to go to the University longer than teachers and you sometimes need a second opinion...

Answer 8

You inconciderate uncreative immature imbosiles, he (or she) was talking in a kind of "pandora's box" situation, where any logical events can be controlled in an instant. How do you know that the science teacher is wrong? It is actually true. Anyone with a working and functional scientific brain would actually find that quite interesting. I think that is amazing, and I totally believe it. Thanks for posting this, that was really cool!

Answer 9

Literally, it would most likely not even be noticed.

And what the HECK is a Vortex? That's a new one on me.

Answer 10

It was every one in the world and it was a joke that got picked up by the media and taken as real. LOL