Bibliographyss

Sophia's Bibliography.

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"All Work and No Play." Physics4Kids.com: Motion: Work. N.p., n.d. Web. 03 Apr. 2013.Website

"Engineering Interact - Interactive Science & Engineering for 9-11 Year Olds." Engineering Interact - Interactive Science & Engineering for 9-11 Year Olds. N.p., n.d. Web. 03 Apr. 2013.Website

"Friction Basics." Physics4Kids.com: Motion: Friction. N.p., n.d. Web. 03 Apr. 2013.Website

"Lubricant." Wikipedia. Wikimedia Foundation, 04 Mar. 2013. Web. 03 Apr. 2013.Website

Lampson, Nathan."Mechanical Efficiency." Sophia. N.p., n.d. Web. 03 Apr. 2013.Website

"Powered By OnCourse Systems For Education." Powered By OnCourse Systems For Education. N.p., n.d. Web. 03 Apr. 2013.Website

Sheellap. "Friction." YouTube. YouTube, 13 Nov. 2007. Web. 03 Apr. 2013.Website

"Tumblr." Smiley Face. N.p., n.d. Web. 03 Apr. 2013.Website

"What Are the Pros and Cons of Having Friction?" Yahoo! Answers. Yahoo!, n.d. Web. 03 Apr. 2013.