The minimum force to keep the book from sliding is 15 N.
The minimum coefficient of friction to keep the book from sliding is 0.33.
The given parameters;
The normal force on the book is calculated as;
[tex]F_n = mg\\\\F_n = 0.5 \times 9.8\\\\F_n = 4.9 \ N[/tex]
The minimum force to keep the book from sliding is calculated as;
[tex]F - F_s = 0\\\\F_s = F\\\\F_s = 15 \ N[/tex]
The minimum coefficient of friction to keep the book from sliding is calculated as;
[tex]\mu_s F = F_n\\\\\mu_s = \frac{F_n}{F} \\\\\mu_s = \frac{4.9}{15} \\\\\mu_s = 0.33[/tex]
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When a force of 15 newtons is applied to the 0.50 kg book, the friction keeps the book from sliding down the wall. What is the minimum force and minimum coefficient of friction to keep the book from sliding?
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