Given :
Force applied on book, F = 18 N.
Kinetic friction, [tex]K_f = 12\ N[/tex].
Mass of book, M = 3 kg.
To Find :
The acceleration of book.
Solution :
Equation of force applied on book is :
[tex]F_{net} = F - K_f\\\\ma= 18 - 12 \\\\a=\dfrac{6}{3}\ m/s^2\\\\a = 2\ m/s^2[/tex]
Therefore, acceleration of book is 2 m/s².
Hence, this is the required solution.
