Posted by **Ika ** on Tuesday, October 11, 2011 at 12:29am.

A student puts a 0.80 kg book against a vertical wall and pushes the book toward the wall with a force of 26N [R]. The book does not move.

a) calculate the minimum coefficient of static friction.

b) describe two ways the student could make the book accelerate down without changing the applied force.

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