{"id":4955,"date":"2017-03-12T18:06:34","date_gmt":"2017-03-12T18:06:34","guid":{"rendered":"http:\/\/mrsphysics.co.uk\/n5\/?p=449"},"modified":"2025-11-25T07:38:23","modified_gmt":"2025-11-25T07:38:23","slug":"mass-weight-and-weightlessness","status":"publish","type":"post","link":"https:\/\/mrsphysics.co.uk\/index.php\/2017\/03\/12\/mass-weight-and-weightlessness\/","title":{"rendered":"Mass, Weight and Weightlessness"},"content":{"rendered":"<p>Below&nbsp;is a link to&nbsp;an&nbsp;excellent website for you to check your learning about weight and weightlessness. It is probably just above N5 standard, so read through it slowly and carefully and ask if there is material you don&#8217;t understand.<\/p>\n<p><a href=\"http:\/\/www.physicsclassroom.com\/class\/circles\/Lesson-4\/Weightlessness-in-Orbit\">http:\/\/www.physicsclassroom.com\/class\/circles\/Lesson-4\/Weightlessness-in-Orbit<\/a><\/p>\n<h5>How does &#8216;g&#8217; change with height above the surface of the Earth?<\/h5>\n<p><!--more--><\/p>\n<table width=\"290\">\n<tbody>\n<tr>\n<td width=\"147\">Height from surface of Earth in km<\/td>\n<td width=\"143\">gravitational field strength (N\/kg)<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">0<\/td>\n<td style=\"text-align: center;\">9.8<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">200<\/td>\n<td style=\"text-align: center;\">9.2<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">400<\/td>\n<td style=\"text-align: center;\">8.7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">600<\/td>\n<td style=\"text-align: center;\">8.2<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">800<\/td>\n<td style=\"text-align: center;\">7.7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">1000<\/td>\n<td style=\"text-align: center;\">7.3<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">2000<\/td>\n<td style=\"text-align: center;\">5.7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">2600<\/td>\n<td style=\"text-align: center;\">4.9<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">2800<\/td>\n<td style=\"text-align: center;\">4.7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">3000<\/td>\n<td style=\"text-align: center;\">4.5<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">3800<\/td>\n<td style=\"text-align: center;\">3.8<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">4000<\/td>\n<td style=\"text-align: center;\">3.7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">4800<\/td>\n<td style=\"text-align: center;\">3.2<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">5000<\/td>\n<td style=\"text-align: center;\">3.1<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">6000<\/td>\n<td style=\"text-align: center;\">2.6<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">7000<\/td>\n<td style=\"text-align: center;\">2.2<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">8000<\/td>\n<td style=\"text-align: center;\">1.9<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">9000<\/td>\n<td style=\"text-align: center;\">1.7<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">10000<\/td>\n<td style=\"text-align: center;\">1.5<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">11000<\/td>\n<td style=\"text-align: center;\">1.3<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">12000<\/td>\n<td style=\"text-align: center;\">1.2<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: center;\">13000<\/td>\n<td style=\"text-align: center;\">1.1<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"alignnone size-medium wp-image-450\" src=\"https:\/\/mrsphysics.co.uk\/wp-content\/uploads\/2017\/03\/g-with-h-300x183.png\" alt=\"\" width=\"300\" height=\"183\"><\/p>\n<p><a href=\"https:\/\/mrsphysics.co.uk\/wp-content\/uploads\/2017\/03\/g-with-distance.xlsx\">g with distance<\/a>&nbsp;excel file with graphs and figures to create your own graphs.<\/p>\n<p>There is loads more material in these sheets than mass and weight. Do complete the tasks and check for understanding.<\/p>\n<p><a href=\"https:\/\/mrsphysics.co.uk\/wp-content\/uploads\/2017\/03\/mass-and-weight.pdf\">mass and weight<\/a><\/p>\n<p><a href=\"https:\/\/mrsphysics.co.uk\/wp-content\/uploads\/2017\/03\/mass-and-weight.docx\">mass and weight<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Below&nbsp;is a link to&nbsp;an&nbsp;excellent website for you to check your learning about weight and weightlessness. It is probably just above N5 standard, so read through it slowly and carefully and ask if there is material you don&#8217;t understand. http:\/\/www.physicsclassroom.com\/class\/circles\/Lesson-4\/Weightlessness-in-Orbit How does &#8216;g&#8217; change with height above the surface of the Earth?<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[80],"tags":[],"ppma_author":[1267],"class_list":["post-4955","post","type-post","status-publish","format-standard","hentry","category-dynamics","vs-blog blog-single wow fadeInUp"],"acf":[],"authors":[{"term_id":1267,"user_id":3,"is_guest":0,"slug":"n5","display_name":"Mrs Physics","avatar_url":"https:\/\/mrsphysics.co.uk\/wp-content\/uploads\/2025\/12\/OK-scaled.png","author_category":"","first_name":"Mrs","last_name":"Physics","user_url":"","job_title":"","description":""}],"_links":{"self":[{"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/4955","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/comments?post=4955"}],"version-history":[{"count":1,"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/4955\/revisions"}],"predecessor-version":[{"id":5269,"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/posts\/4955\/revisions\/5269"}],"wp:attachment":[{"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/media?parent=4955"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/categories?post=4955"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/tags?post=4955"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/mrsphysics.co.uk\/index.php\/wp-json\/wp\/v2\/ppma_author?post=4955"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}