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By Casey Rand. Author Casey Rand. When is friction a friend?. It covers basic physics concepts and uses real-world examples that are illustrated with clear and catchy photographs. This book will be especially engaging for students who are involved in or enjoy sports.
When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include, but are not limited to, the eBay Partner Network.