 |
|
|
 |
New Member
|
|
Apr 4, 2007, 08:20 AM
|
|
Why earth has gravity?
Why and how earth has gravity?
|
|
 |
Uber Member
|
|
Apr 4, 2007, 08:43 AM
|
|
Matter attracts other matter. The Earth, Us, and 99.99999999% of everything near the Earth is made of matter. We call this attraction gravity. That's about all there is to it.
|
|
 |
Junior Member
|
|
Apr 26, 2007, 01:03 PM
|
|
So, really, then, all females ARE attracted to me? Awesome!
|
|
 |
Junior Member
|
|
Apr 26, 2007, 01:28 PM
|
|
Seriously, though, what are some hypotheses on why matter attracts matter?
|
|
 |
Uber Member
|
|
Apr 26, 2007, 02:02 PM
|
|
There aren't really many hypotheses. It's a complete mystery. But we can model it very well indeed which is the important thing.
|
|
 |
Expert
|
|
Apr 26, 2007, 02:35 PM
|
|
At its heart all of physics is a big mystery. Why do bodies attract according to the product of their masses and the inverse square of their distance? No one knows. Why does F=ma, or E=mC^2? Why is energy conserved? Why does entropy increase? No one knows why any of this. All scientists can really do is continue to come up with more fundamental theories that do an ever improving job of predicting how things behave, not why they behave thusly. When scientists get into the realm of "why," things can get awfully muddled. I'm thinking particularly of the anthropomorphic principle, which has gained some adherents in certain quarters - some would maintain that the reason gravity works as it does is because if it didn't none of us would be around to ask the question "how does gravity work."
|
|
Question Tools |
Search this Question |
|
|
Add your answer here.
Check out some similar questions!
Gravity
[ 5 Answers ]
If 2 objects of different weight are thrown from equal height , which will reach the earth first, the heavier object or the lighter object, or both will reach at same time. :)
Gravity
[ 3 Answers ]
If a person were weighed at the North Pole, would he weigh more than if he were weighed at the equator? How about if he were on an elevator to the center of the Earth, would he weigh more or less as he descended? Just curious. Hank
Gravity
[ 3 Answers ]
How does the spinning of a planit affect its gravity.
Gravity
[ 3 Answers ]
At a certain point between the earth and the moon, the gravitational attraction towards the earth is exactly balanced by the gravitational attraction towards the moon. If a spacecraft is at that certain point, what is its distance from the center of the earth?
View more questions
Search
|