Multiple Choice
-The book has an acceleration of 0 m/s2. Which pair of forces, excluding "action-reaction" pairs, must be equal in magnitude and opposite in direction?
A) 1 and 2
B) 1 and 3
C) 1 and 4
D) 2 and 3
E) 2 and 4
Correct Answer:

Verified
Correct Answer:
Verified
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