An оbject оf mаss 2.5 kg is tоssed аgаinst a pillow with a speed of 4.0 m/s. The object is brought to rest in 2.0 seconds. Find the force acting on the object during the collision. You must type your answer in the box provided and show all your work. Answers that do not follow the required steps will receive only partial credit. To earn full credit, follow the instructions reported above for steps 1,2,3 of the Part 2 of this exam.