Part B: Relation between Mass and Acceleration Instruction I. Select the "book" (m = 10 kg) (click on the book icon on the right) as the object on which the force will act II. Turn off the "Friction force" by clicking on the boxes to the right top corner. Insert the force value 80 Newton. This is your APPLIED force on the book. You may need to adjust the y values using the + and - buttons. III. Click on the acceleration and velocity graph. The time is along horizontal axis IV. Press GO and watch the person push the book (mass = 10 kg) to the left. Press the PAUSE button before he hits the wall