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OpenStudy (anonymous):
MEDAL GIVEN TO CORRECT ANSWER. A book with mass 2.3 kg sits on a table. What is the normal force on the book? A. 22.5 N B. 2.3 N C. 18.3 N D. 9.8 N
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OpenStudy (anonymous):
\[\sum(Fy)\]= 0 (because the system is in equilibrium) = N- mg N=mg = 2.3*(9.8)= 22.5 N The correct answer is A.
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