PDF Newton's Second Law of Motion Problems Worksheet sure to state the proper units in your answer, and state each answer to the nearest tenth of a unit, to match the accuracy of the measurements. 7. An object accelerates 3.0 m/s2 when a force of 6.0 newtons is applied to it. What is the mass of the object? _____ 8. An object accelerates 12.0 m/s2 when a force of 6.0 newtons is applied to it.