Homework Help: science

Posted by Josie on Saturday, March 24, 2012 at 1:57pm.

A book is on top of a table. Earth's gravity exerts a constant force of 15N on the book. Why does the book not move as a result of this force?

science - drwls, Saturday, March 24, 2012 at 2:00pm
The table exerts an equal upward force or 15 N on the book. The net force is zero.

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