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At what value of Force, can we feel the effect of gravitational force between objects

Asked Jan 22, 2009, 09:17 PM — 2 Answers
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At what value of Force, could we feel or see the effect of gravitational pull or force between two objects.
E.g. 2 pencils kept at a very small distance (r) exert a force (F) on each other such that they are pulled by each other and stick to each other though the force is easy to overcome.
But actually, I want to see two bodies moving towards each other (ignoring Friction and Force of gravity due to earth on the objects).

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Capuchin's Avatar
Capuchin Posts: 5,319, Reputation: 3601
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#2

Jan 23, 2009, 12:03 AM
You'd need to do something similar to the Cavendish experiment:

Cavendish experiment - Wikipedia, the free encyclopedia

I'm sure there are more recent methodologies that you could find.
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harum's Avatar
harum Posts: 214, Reputation: 129
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#3

Jan 23, 2009, 10:26 AM
Your feeling of a force or ability to sense a force does not depend on the nature of this force. It can be anything: gravity, electricity, inertia, etc. In the absence of friction, two pencils would move to each other all the time.
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