Newton's 2nd Law (Quantitative)
In this Illumination you are given the value of the mass of an object (or the force on it), along with a graph of the object's velocity as a function of time. Your task is use Newton's 2nd Law to determine the net force on the object (or the object's mass) at the time indicated by the expanded point on the graph . (If you don't recall how to determine the acceleration from a velocity graph, you may want to repeat the Illumination that addresses this issue.)