Your friend applies a horizontal force to your 2.0-kg physics textbook,which rests stationary against a vertical wall.The static and kinetic friction coefficients between the book and the wall are 0.20 and 0.15,respectively.With what force must your friend push on the book in order that it doesn't slip down the wall?
A) 39 N
B) 20 N
C) 19.6 N
D) 25 N
E) 98 N

Question

Quizplus · Accepted Answer

The Answer of Your friend applies a horizontal force to your 2.0-kg physics textbook,which rests stationary against a vertical wall.The static and kinetic friction coefficients between the book and the wall are 0.20 and 0.15,respectively.With what force must your friend push on the book in order that it doesn't slip down the wall?
A) 39 N
B) 20 N
C) 19.6 N
D) 25 N
E) 98 N

Your Friend Applies a Horizontal Force to Your 2