2/21/22, 1:36 PM Homework %236 due Feb 20 1159 pm.html 16. You are pushing a 6.0 kg box across the floor. There is a frictional force of 20.0-N opposing the motion, but you still manage to accelerate the box (speeding it up) at 2.0 m/s2. What must the net force on the box be? 17. You are pushing a 6.0 kg box across the floor. There is a frictional force of 20.0-N opposing the motion, but you still manage to accelerate the box (speeding it up) at 2.0 m/s2. With what force are you pushing the box