# Question: note for part c 5815 n is not the answer...

###### Question details

**NOTE: For Part C) 58.15 N is NOT the answer ; For Part
D) 102.27 and -102.27 is NOT the answer.**

**Part C)** What is the force of friction on the
book if P = 210N? Specify the direction of the friction force as
positive up, negative down.

(include units with answer)

**Hint(s) for Part C:** #1: Static equilibrium #2:
Think about the two force values from parts A and B - that should
help you visualize the direction of the friction force.

**Part D)** What is it maximum force P that can be
applied before the book slips?

(include units with answer)