There Are Six Books in a Stack,each with a Weight

question 38

Multiple Choice

There are six books in a stack,each with a weight of 5.0 N.The coefficient of friction between all the books is 0.20 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 five books off the bottom one?

• A)1.0 N
• B)5.0 N
• C)3.0 N
• D)7.0 N

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