{"id":28688,"date":"2013-05-21T17:03:42","date_gmt":"2013-05-21T11:33:42","guid":{"rendered":"http:\/\/www.kopykitab.com\/blog\/?p=28688"},"modified":"2013-05-21T17:03:42","modified_gmt":"2013-05-21T11:33:42","slug":"coefficients-of-friction","status":"publish","type":"post","link":"https:\/\/www.kopykitab.com\/blog\/coefficients-of-friction\/","title":{"rendered":"Coefficients of Friction"},"content":{"rendered":"<h1 style=\"text-align: center;\"><span style=\"font-size: 2em;\">Coefficients of Friction<\/span><\/h1>\n<p>&nbsp;<\/p>\n<table border=\"0\" cellspacing=\"1\" cellpadding=\"5\" bgcolor=\"#CCCCCC\">\n<tbody>\n<tr>\n<th align=\"center\" bgcolor=\"EAEAD9\">Materials<\/th>\n<th align=\"center\">Coeff. of Static Friction<br \/>\n<img alt=\"Greek letter mu\" src=\"http:\/\/www.physlink.com\/Images\/symbols\/mu.gif\" border=\"0\" \/><sub>s<\/sub><\/th>\n<th align=\"center\" bgcolor=\"EAEAD9\">Coeff. of Kinetic Friction<br \/>\n<img alt=\"Greek letter mu\" src=\"http:\/\/www.physlink.com\/Images\/symbols\/mu.gif\" border=\"0\" \/><sub>k<\/sub><\/th>\n<\/tr>\n<tr>\n<td>Steel on Steel<\/td>\n<td align=\"center\">0.74<\/td>\n<td align=\"center\">0.57<\/td>\n<\/tr>\n<tr>\n<td>Aluminum on Steel<\/td>\n<td align=\"center\">0.61<\/td>\n<td align=\"center\">0.47<\/td>\n<\/tr>\n<tr>\n<td>Copper on Steel<\/td>\n<td align=\"center\">0.53<\/td>\n<td align=\"center\">0.36<\/td>\n<\/tr>\n<tr>\n<td>Rubber on Concrete<\/td>\n<td align=\"center\">1.0<\/td>\n<td align=\"center\">0.8<\/td>\n<\/tr>\n<tr>\n<td>Wood on Wood<\/td>\n<td align=\"center\">0.25-0.5<\/td>\n<td align=\"center\">0.2<\/td>\n<\/tr>\n<tr>\n<td>Glass on Glass<\/td>\n<td align=\"center\">0.94<\/td>\n<td align=\"center\">0.4<\/td>\n<\/tr>\n<tr>\n<td>Waxed wood on Wet snow<\/td>\n<td align=\"center\">0.14<\/td>\n<td align=\"center\">0.1<\/td>\n<\/tr>\n<tr>\n<td>Waxed wood on Dry snow<\/td>\n<td align=\"center\">&#8211;<\/td>\n<td align=\"center\">0.04<\/td>\n<\/tr>\n<tr>\n<td>Metal on Metal (lubricated)<\/td>\n<td align=\"center\"><\/td>\n<td align=\"center\">0.06<\/td>\n<\/tr>\n<tr>\n<td>Ice on Ice<\/td>\n<td align=\"center\">0.1<\/td>\n<td align=\"center\">0.03<\/td>\n<\/tr>\n<tr>\n<td>Teflon on Teflon<\/td>\n<td align=\"center\">0.04<\/td>\n<td align=\"center\">0.04<\/td>\n<\/tr>\n<tr>\n<td>Synovial joints in humans<\/td>\n<td align=\"center\">0.01<\/td>\n<td align=\"center\">0.003<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n","protected":false},"excerpt":{"rendered":"<p>Coefficients of Friction &nbsp; Materials Coeff. of Static Friction s Coeff. of Kinetic Friction k Steel on Steel 0.74 0.57 Aluminum on Steel 0.61 0.47 Copper on Steel 0.53 0.36 Rubber on Concrete 1.0 0.8 Wood on Wood 0.25-0.5 0.2 Glass on Glass 0.94 0.4 Waxed wood on Wet snow 0.14 0.1 Waxed wood on &#8230; <a title=\"Coefficients of Friction\" class=\"read-more\" href=\"https:\/\/www.kopykitab.com\/blog\/coefficients-of-friction\/\" aria-label=\"More on Coefficients of Friction\">Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"fifu_image_url":"","fifu_image_alt":""},"categories":[4773],"tags":[],"amp_enabled":true,"_links":{"self":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/28688"}],"collection":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/comments?post=28688"}],"version-history":[{"count":0,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/posts\/28688\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/media?parent=28688"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/categories?post=28688"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.kopykitab.com\/blog\/wp-json\/wp\/v2\/tags?post=28688"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}