Gravity
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Ricemarine
Lifer
- Sep 10, 2004
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- Nov 27, 1999
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Originally posted by: Zim Hosein
Are you the dumba*s in my Physics class?
No that's me.
Gravity is just centripetal force the way I understand it.
I also remember hearing once that every object has its own gravitational field, like for instance the rock of Gibraltar has enough mass to hold a paperclip to it?
I dunno, but I guess it's possible.
Originally posted by: Fraggable
Originally posted by: Zim Hosein
Are you the dumba*s in my Physics class?
No that's me.
Gravity is just centripetal force the way I understand it.
I also remember hearing once that every object has its own gravitational field, like for instance the rock of Gibraltar has enough mass to hold a paperclip to it?
I dunno, but I guess it's possible.
cool, everyone says physics sucks but i think i'll enjoy it kinda
JohnCU
Banned
- Dec 9, 2000
- 16,528
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Originally posted by: Fraggable
Originally posted by: Zim Hosein
Are you the dumba*s in my Physics class?
No that's me.
Gravity is just centripetal force the way I understand it.
I also remember hearing once that every object has its own gravitational field, like for instance the rock of Gibraltar has enough mass to hold a paperclip to it?
I dunno, but I guess it's possible.
Indeed it does, F = gM/r^2 I believe, where g is the gravitation constant, r is the distance from the source, m is the mass of the object. F is a vector although not denoted here.
- Nov 27, 1999
- 65,394
- 407
- 126
Originally posted by: Fraggable
Originally posted by: Zim Hosein
Are you the dumba*s in my Physics class?
No that's me.
Gravity is just centripetal force the way I understand it.
I also remember hearing once that every object has its own gravitational field, like for instance the rock of Gibraltar has enough mass to hold a paperclip to it?
I dunno, but I guess it's possible.
Hey I'm learning Physics slowly myself Fraggable, but you are definitely not in my class you're way ahead of us!
- Nov 27, 1999
- 65,394
- 407
- 126
Originally posted by: Zim Hosein
Originally posted by: Fraggable
Originally posted by: Zim Hosein
Are you the dumba*s in my Physics class?
No that's me.
Gravity is just centripetal force the way I understand it.
I also remember hearing once that every object has its own gravitational field, like for instance the rock of Gibraltar has enough mass to hold a paperclip to it?
I dunno, but I guess it's possible.
Hey I'm learning Physics slowly myself Fraggable, but you are definitely not in my class you're way ahead of us!
Fraggable... Anything that has mass, has gravity.
- Nov 27, 1999
- 65,394
- 407
- 126
Originally posted by: necine
Originally posted by: Zim Hosein
Originally posted by: Fraggable
Originally posted by: Zim Hosein
Are you the dumba*s in my Physics class?
No that's me.
Gravity is just centripetal force the way I understand it.
I also remember hearing once that every object has its own gravitational field, like for instance the rock of Gibraltar has enough mass to hold a paperclip to it?
I dunno, but I guess it's possible.
Hey I'm learning Physics slowly myself Fraggable, but you are definitely not in my class you're way ahead of us!
Fraggable... Anything that has mass, has gravity.
Originally posted by: Zim Hosein
Originally posted by: necine
Originally posted by: Zim Hosein
Originally posted by: Fraggable
Originally posted by: Zim Hosein
Are you the dumba*s in my Physics class?
No that's me.
Gravity is just centripetal force the way I understand it.
I also remember hearing once that every object has its own gravitational field, like for instance the rock of Gibraltar has enough mass to hold a paperclip to it?
I dunno, but I guess it's possible.
Hey I'm learning Physics slowly myself Fraggable, but you are definitely not in my class you're way ahead of us!
Fraggable... Anything that has mass, has gravity.
Text
G = Universal constant for gravity.
Mo0o
Lifer
- Jul 31, 2001
- 24,227
- 3
- 76
Gravity is supposedly transmitted through a particle called the graviton in quantum particle theory, kind of like how electromagnetic forces are transmitted by photons. But no one has been able to find or detect a graviton because gravitational force is so weak compared to other forces. This is waht my physics professor said but I could have misheard
Also, Gravity is the weakest of the fundamental forces, which is why it only manifests on a huge scale. The forces are Weak Electromagnetic Force, Strong Electromagnetic Force, Gravity, and I think there's one more, but I can't remember it right now.
Also, as far as I understand it, no one knows for 100% sure what causes gravity, but the blanket model is as good a description as any
Also, as far as I understand it, no one knows for 100% sure what causes gravity, but the blanket model is as good a description as any
Mo0o
Lifer
- Jul 31, 2001
- 24,227
- 3
- 76
Originally posted by: Fraggable
Originally posted by: Zim Hosein
Are you the dumba*s in my Physics class?
No that's me.
Gravity is just centripetal force the way I understand it.
I also remember hearing once that every object has its own gravitational field, like for instance the rock of Gibraltar has enough mass to hold a paperclip to it?
I dunno, but I guess it's possible.
Centripetal force isn't right. If you're standing on a spinning object that didn't have enough gravity to hold you down, it spinning wouldnt do anything to keep you planted(assuming no friction). And if you're thinking of being inside a spinning object and standing ont he inside of the surface then that would be centripetal force which kind of acts like faux-gravity but it isn't gravity.
JohnCU
Banned
- Dec 9, 2000
- 16,528
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Originally posted by: Swag1138
Also, Gravity is the weakest of the fundamental forces, which is why it only manifests on a huge scale. The forces are Weak Electromagnetic Force, Strong Electromagnetic Force, Gravity, and I think there's one more, but I can't remember it right now.
Also, as far as I understand it, no one knows for 100% sure what causes gravity, but the blanket model is as good a description as any
It's not that gravity is so weak, it's that subatomic particles have such small masses...
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