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Construction of Free-Body Diagrams

Students follow a step-by-step process to solve simple free-body diagrams. They identify forces acting in the x or y direction in interactive exercises.
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Comments

10/15/2013 Very informative; excellent animations and descriptions Patrick Morrissey

3/1/2011 its really interesting and easy...... awesome job kirti rana

10/15/2010 This was pretty awsome Jason Miller

12/4/2008 This is by far the easiest way to understand free-body-diagrams. I am impressed with this site as well as myself!!

6/3/2008 The material is excellent and gives us a very clear picture of the data...This was really helpful for me and cleared all my doubts.

6/3/2008 This was an excellent presentation.

2/18/2008 I got some knowledge out of the exercises at the end. Thank you.

2/3/2008 Very helpful...I learned more from this then from my professor, I wish it were longer and had more examples though

11/10/2007 Excellent presentation. I particularly liked the feature that allows a viewer to try to assign the type of forces to an object.

10/21/2007 Shows only uniform motion situations but has nice interaction toward the end.

8/10/2007 Great idea. As someone else mentioned, the use of the term Applied Force for a tension or pushing force can lead to confusion. Students want to have an applied force in whatever drection an object is moving. Also, best practice (IMHO) suggests every force has three descriptors that are necessary: type (contact - such as normal or friction, or field - such as gravity), direction, and source (e.g. earth, tabletop, shoelace, etc). This kind of gets type and source confused. Direction is done well. I will definitely show this to my students. Jeff Funkhouser

11/22/2005 THIS WAS AMAZING.

10/20/2004 Thank you, this helped. The graphics and flashing lights and sounds were interesting. I learned from you. Thank you.

7/23/2004 A very well designed activity that first teaches basics of FBDs then allows students to work interactive examples.

4/21/2004 This is awesome! I plan to use this in my classes next year. The shoe example could be viewed as a force of tension upward, instead of applied, but I can understand looking at the laces as part of the shoe...Otherwise, I have no problem with this activity at all. Thanks, Damian Simmons

2/19/2004 This is a nicely done illustration/activity for simple free body diagrams.

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