There are nine books in a stack, each with a weight of 6 N. The coefficient of friction between all the books is 0.3 as is the coefficient between the table and the bottom book. What horizontal push must I just exceed on the next to bottom book to start sliding the top eight books off the bottom one?

a. 1.80 N
b. 14.4 N
c. 48.0 N
d. 16.2 N


b

Physics & Space Science

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