An object with a mass of #2 kg# is on a surface with a kinetic friction coefficient of # 3 #. How much force is necessary to accelerate the object horizontally at #6 m/s^2#?
Here,if we have to move the object against frictional force with acceleration,then frictional force must be exerting its maximum value against the motion.
So,if we need to apply force
Then we can write,acceleartion which is due to the net force acting is,