{"id":20862,"date":"2022-07-18T21:44:06","date_gmt":"2022-07-19T01:44:06","guid":{"rendered":"https:\/\/ckms.ca\/?p=20862"},"modified":"2022-07-18T21:59:23","modified_gmt":"2022-07-19T01:59:23","slug":"radiation-pressure-wikipedia","status":"publish","type":"post","link":"https:\/\/blog.ckms.ca\/?p=20862","title":{"rendered":"How does a light sail work if photos have no mass?  Radiation pressure &#8211; Wikipedia"},"content":{"rendered":"\n<p>So while watching Star Trek &#8211; Strange New Worlds, s1e5, a light sail ship was shown.  But I thought if photons have no mass, and f=ma, witt m=0, then f=0, so no force?  How do solar sails work, as I believe we have already used?<\/p>\n\n\n\n<p>turns out photons have momentum, from where I don&#8217;t know.  Maybe tht mass\/enmrgy equiv Einstine kept yammeriong on aobut?<\/p>\n\n\n<p>Source: <em><a href=\"https:\/\/en.wikipedia.org\/wiki\/Radiation_pressure\">Radiation pressure &#8211; Wikipedia<\/a><\/em><\/p>\n\n\n<p><a href=\"https:\/\/en.wikipedia.org\/wiki\/Radiation_pressure#Radiation_pressure_in_terms_of_photons\">https:\/\/en.wikipedia.org\/wiki\/Radiation_pressure#Radiation_pressure_in_terms_of_photons<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>So while watching Star Trek &#8211; Strange New Worlds, s1e5, a light&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[282],"tags":[198,1386,466],"class_list":["post-20862","post","type-post","status-publish","format-standard","hentry","category-article","tag-joan","tag-lia-f","tag-physics","wpcat-282-id"],"_links":{"self":[{"href":"https:\/\/blog.ckms.ca\/index.php?rest_route=\/wp\/v2\/posts\/20862","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.ckms.ca\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/blog.ckms.ca\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/blog.ckms.ca\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.ckms.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=20862"}],"version-history":[{"count":0,"href":"https:\/\/blog.ckms.ca\/index.php?rest_route=\/wp\/v2\/posts\/20862\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.ckms.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=20862"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/blog.ckms.ca\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20862"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/blog.ckms.ca\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20862"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}