==== Learning Goals ====

<WRAP info>
==== Project 4a: Learning issues ====

  * Non-constant forces
  * Impulse and obtaining impulse from a graph
  * $\Delta p = \int_{t_i}^{t_f} \vec{F}_{net} \; dt$
  * Free-body Diagrams
  * Interpreting sinusoidal graph
  * Constant acceleration - kinematic equations
</WRAP>