AP Physics 1easymcq1 pt
A book rests on a table. The reaction force paired with the book's weight (Earth pulling the book down) is
A.the book pulling Earth up
B.the table pushing the book up
C.the table pushing Earth down
D.the book's inertia
Explanation
Core Concept
Third-law pairs act on different objects: Earth pulls book, book pulls Earth with equal magnitude.
Correct Answer
Athe book pulling Earth up
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