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====== Recall Work ======

===== Prompt =====

** "Write down something you know about work." **

===== Context =====

This [[strategy:smallwhiteboard:|SWBQ]] can be used to prompt students to think about the relationship between work and energy: Work is change in potential energy of a system. Students from introductory physics courses will likely recall work as $W=Fd$ or $W=Fd\cos{\theta}$ but can be prompted to consider what the work is if the force is changing to develop the concept of work being an integral, $W=\Delta U=\int{\vec{F}\cdot d\vec{r}}$.

===== Wrap Up =====
This small whiteboard question is part of a sequence of activities on determining the [[whitepapers:sequences:1dinternalenergy|Internal Energy of a One Dimensional System]]. Other activities included within this sequence follow:
  * Preceding activity:
    * [[swbq:emsw:vfswenergy|Recall Energy]]: This small whiteboard question prompts students to write down something they know about energy.
  * Follow-up activity:
    * [[courses:activities:vfact:vfpederivmach|Internal Energy of the "Derivative Machine"]]: This small group activity serves as an introduction to experimentally measuring an integral by determining the internal energy, $U$, of a nonlinear system at several locations.

{{vfswwork.ppt|Powerpoint Prompt}}
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{{vfswwork.pdf|PDF Prompt}}

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