09-11-2017
Physics

contestada

Two large books are stacked on top of each other on a table . The mass of each book is 6.5Kg Given that the coefficient of static friction between bottom book and table is 0.15, what is the lowest the coefficient of static friction between the books can be in order to apply force and move both books?

Respuesta :

21-11-2017

If you apply force (push) both books with the same energy at the same constant rate then the friction between them doesn't matter as both will move. If you push on the bottom book only, the friction between the books needs to be sufficient that the top book is carried along on the bottom book.

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