Human Gravity!

  • #1
Caesar_Rahil
69
0
Suppose, I become twice as big as the earth. Then Can I have my own Gravity!
 

Answers and Replies

  • #2
gurkhawarhorse
44
0
yes. u do even now.
 
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  • #3
rocketboy
243
1
That's pretty damn big. You're going to have to eat a lot of ice cream. (That's what Vin Diesel *forgive the spelling of his name* did to gain poundage fora movie).
 
  • #4
zoobyshoe
6,551
1,287
As Gurkha pointed out, you already have your own gravity. You exert just as much pull on the Earth as it exerts on you.

If you went into space, you might carefully put some little speck of something into orbit around you and could thereby have your own moon.
 
  • #5
Gravity is only a theory.

Using the logic of Intelligent Design, how do you know it even exists?
 
  • #6
BobG
Science Advisor
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Caesar_Rahil said:
Suppose, I become twice as big as the earth. Then Can I have my own Gravity!
Not by yourself. It takes two to gravitate towards each other.

How strong is your force of gravity? About this strong:

[tex]F=\frac{Gm_1m_2}{r^2}[/tex]
where F is the force of gravity, G is the universal gravitational constant, one of the m's is your mass, the other m is some other mass, and the r is the distance between the two of you.

Notice that being smaller in mass than the Earth might make your own force of gravity smaller, but it's always greater than zero. Notice, also, that being further away might make the force of gravity smaller, but the force of gravity will always be greater than zero.

Every star you see in the sky is pulling on you at least a little bit. You're affected by everything in the universe - even the things so far away you can't see them.

Likewise, you are pulling on every star and every planet that exists in the universe. Your presence in the universe affects every other single thing in the universe.

Or, as Emerson, Lake, and Palmer said, "It is perfectly clear.... you were meant to be here ......... from the beginning." (I like that song :smile: )
 
  • #7
DaveC426913
Gold Member
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Skyhunter said:
Gravity is only a theory.

Using the logic of Intelligent Design, how do you know it even exists?
Tee hee. (At least, I presume you jest.)

Edit: just stumbled across http://www.theonion.com/news/index.php?issue=4133&n=2 [Broken], probably the seed for Skyhunter's comment.
 
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  • #8
DaveC426913
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BobG said:
Not by yourself. It takes two to gravitate towards each other.
Whether or not there is any other object, he still has a gravitational force. If he has mass, he has gravity.
 
  • #9
DaveC426913
Gold Member
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zoobyshoe said:
If you went into space, you might carefully put some little speck of something into orbit around you and could thereby have your own moon.

Challenge: What size object, at what distance, orbiting at what speed could be a moon for a 50kg person (assuming a spherical person)?
 
  • #10
Ivan Seeking
Staff Emeritus
Science Advisor
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Would Caesar have gravity if he was the only mass in the universe? :biggrin:

assume a point Caesar here.
 
  • #11
εllipse
196
0
BobG said:
You're affected by everything in the universe - even the things so far away you can't see them.
Gravity is not non-local; it moves at the speed of light, so if something's light hasn't reached you yet, neither have the effects of its gravity.
 
  • #12
DaveC426913 said:
Tee hee. (At least, I presume you jest.)

Edit: just stumbled across http://www.theonion.com/news/index.php?issue=4133&n=2 [Broken], probably the seed for Skyhunter's comment.
:rofl: :rofl: :rofl: :rofl: No it wasn't but it is hilarious.
 
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  • #14
εllipse
196
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DaveC426913 said:
Tee hee. (At least, I presume you jest.)

Edit: just stumbled across http://www.theonion.com/news/index.php?issue=4133&n=2 [Broken], probably the seed for Skyhunter's comment.
:rofl: That's priceless.
 
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  • #15
kant
388
0
Caesar_Rahil said:
Suppose, I become twice as big as the earth. Then Can I have my own Gravity!


Only if you are good...
 
  • #16
Caesar_Rahil
69
0
That means all I have to do is get that big
 

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