The crate is accelerating up the slope. If necessary, use Fs to denote the force of static friction and Fk to denote the kinetic force of friction

A man pushes a crate up a rough slope as shown in the figure. The crate is accelerating up the slope. If necessary, use Fs to denote the force of static friction and Fk to denote the kinetic force of friction. I tried much attempts and all were wrongATTACHMENTS

attachment_1

attachment_2

attachment_3