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SAT® Subject Test in Physics

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Physics Book on Table Top

SATPHY-VYKQT7

A physics book rests on a table top. A gravitational force pulls down on the book.

According to Newton's third law, the force that is equal to this gravitational force is

A

the force the table exerts upward on the book.

B

the force the book exerts downward on the table.

C

the force the table exerts downward on the floor.

D

the force the book exerts upward on the earth.

E

the force the air pressure exerts down on the book.