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About Spaceman
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My scope of knowledge and experience includes inorganic chemistry, electronics, physics, and other subjects including "Special Access Programs" work. I have worked in various research and development fields for over 26 years. Much of this work has been for large corporations.

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Popular Science - general science/gravitational pull

Expert: Spaceman - 10/18/2009

Question
If a book wre resting on a table, what keeps the book from falling off?

Answer
Hello Renee...

Thanks for your question!

The answer is Friction..as a result of gravity.

Defined:
Physics A force that resists the relative motion or tendency to such motion of two bodies or substances in contact.

Sorry for my late answer! Computer problems!

Best Wishes,

Spaceman

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