A student pushes horizontally on a textbook of

Question

mass 0.250 kg and holds it stationary against the
classroom wall.
a) Draw a free body diagram showing and labeling
all the forces acting on the textbook.

b) From your diagram, what is the friction force that holds the textbook in place?

c) The coefficient of static friction between book and wall is 0.190. Use this and your freebody
diagram to determine the minimum force needed to hold the textbook in place.