06-14-2006, 10:19 PM
Quote:An object's gravity isn't "used up" once it's pulling another object. With two atoms equidistant from the other mass pulling on it, they are both being pulled on equally, and each one is pulling the other along with it.
Did you agree with me? Or am I missing something?
Quote:[EDIT] Here is something I don't get. Suppose a 100KG object and a 25KG object are pulling on each other. The gravitational force exhibited increases with the two masses, but by F=ma (and by extension, a=F/m), the greater the mass of the object, the more force is NEEDED to accelerate the object. So why do bigger masses accelerate faster?
First of all, objects with bigger masses don't accelerate faster. F=ma means that if two objects are traveling at the same speed, the one with more mass creates stronger force. a=F/m is saying that it takes more force to put an object into motion, which is also true. What's harder to get rolling, a huge iron ball or a golf ball?
Perhaps we can chat here: http://www.torahteen.co.nr/QBNChat.html
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