1. A crate of mass m=48.9 kg is on a horizontal frictionless surface. Consider the following two cases of pushing (case 1) and pulling (case 2) of the crate by force F1 = 25.3 N at an angle 9 = 37 and F2 = 22.9 N as shown in the gure. Answer the following questions: a. Draw FBD and nd the normal force N1 while pushing (case 1). (7) b. Draw FBD and nd the normal force N2 while pulling (case 2). (7) c. From you calculation comment in which case is the normal force greater and when is it easier to move the crate. (2) d. Calculate and comment on the accelerations for both cases 1 and 2. (4)