Asked by loli

When you push a 1.92 kg book resting on a tabletop, you have to exert a force of 2.0 N to start the book sliding. Once it is sliding, however, you can use a force of only 1.0 N to keep the book moving with constant speed. What are the coefficients of static and kinetic friction between the book and the tabletop?
Answered by oobleck
the weight of the book is 1.92 * 9.81 = 18.8N
Now, how is friction determined?
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