Does Newton's 2"d Law of Motion hold true for the case of a cart rolling on a track, pulled by a hanging mass? Fnet - ma Introduction In this lab, we will measure the experimental value of the acceleration of a cart on a level track, pulled by a hanging mass. We will then calculate the theoretical acceleration using Newton's 2"" Law and compare to the lab results. me Fu = mng Figure 1. Schematic representation of the cart-hanging mass system Hypothesis How will the measured acceleration of the cart compare to the theoretical value we determine using Newton's 20d Law