Jim’s posthaven

Plane Takeoff

Created with Skitch from plasq - http://plasq.com

Spider Lost Lots of Weight

Created with Skitch from plasq - http://plasq.com

Dead Fat Spider

Created with Skitch from plasq - http://plasq.com

Holy Cow!

Created with Skitch from plasq - http://plasq.com

Bowling Ball

Created with Skitch from plasq - http://plasq.com

A fat spider.

Created with Skitch from plasq - http://plasq.com

Spider, on a diet.

Created with Skitch from plasq - http://plasq.com

Finding Friction

Created with Skitch from plasq - http://plasq.com

Finding Coefficient of Friction

Created with Skitch from plasq - http://plasq.com

Force Concept: Coin

Created with Skitch from plasq - http://plasq.com