Fan Carts

This series shows a dynamics cart with a fan mounted on it. It is useful for sorting out the signs of acceleration in various cases.

To download a movie, right-click on the link and choose "Save Link as...":

Speeding up toward the motion detector:

Slowing down toward the motion detector:

Speeding up away from the motion detector:

The Flash versions of the movies have built-in analysis software. Try clicking on the cart in each frame of the movie below.

Slowing down away from the motion detector:

Changing direction:

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This material is based in part upon work supported by National Science Foundation (NSF) grants 0089380, 0424063, 0717699 and 1122828. Any opinions, findings and conclusions or recomendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.