Question

what is the upward push on a book by table​

Answer 1

Answer:

Buoyancy, which is a tiny upward force because the air pressure on the bottom is slightly more than the air pressure on the top. The book sinks in air but tries to float up into space.

Explanation:

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Answer 2

Explanation:

There are two essential force acting on the book: gravity (or “weight”) pulling downward, and the force by the table, pushing upward. This force by the table is ultimately a force between the electrons in the book's lower surface and the electrons in the table's upper surface.

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