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https:\/\/www.physics.purdue.edu\/demos\/display_page.php?item=2A-01<\/a> ","protected":false},"excerpt":{"rendered":"","protected":false},"author":17897162,"featured_media":0,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_coblocks_attr":"","_coblocks_dimensions":"","_coblocks_responsive_height":"","_coblocks_accordion_ie_support":"","_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":true,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_geoff_meta_description_en":"A suction cup is held by a pressure difference, not a mysterious pull; a smooth seal preserves it, while leaking air removes the holding force.","_geoff_meta_description_zh":"\u5438\u76d8\u9760\u5185\u5916\u538b\u5f3a\u5dee\u800c\u975e\u795e\u79d8\u201c\u5438\u529b\u201d\u8d34\u4f4f\u8868\u9762\u3002\u5149\u6ed1\u5e73\u9762\u5e2e\u52a9\u8fb9\u7f18\u4fdd\u6301\u8fde\u7eed\u5bc6\u5c01\uff0c\u4e00\u65e6\u7a7a\u6c14\u4ece\u8fb9\u7f18\u8fdb\u5165\uff0c\u538b\u5f3a\u5dee\u51cf\u5c0f\uff0c\u627f\u8f7d\u529b\u4fbf\u4f1a\u968f\u4e4b\u6d88\u5931\u3002","_wpcom_ai_launchpad_first_post":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[787297218],"tags":[787300014,787300016,787300017,787300015],"class_list":["post-19719","post","type-post","status-publish","format-standard","hentry","category-daily-maths-physics-chemistry","tag-atmospheric-pressure","tag-suction-cups","tag-suction-cups-zh","tag-atmospheric-pressure-zh",""],"translatepress_titles":{"en_AU":"Why Can a Suction Cup Hold Until Air Leaks Under Its Edge?","zh_CN":"\u5438\u76d8\u4e3a\u4ec0\u4e48\u80fd\u8d34\u4f4f\u5149\u6ed1\u8868\u9762\uff0c\u5374\u6015\u8fb9\u7f18\u6f0f\u6c14\uff1f"},"jetpack_publicize_connections":[],"jetpack_likes_enabled":false,"jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p1ar9H-583","jetpack_featured_media_url":"","_links":{"self":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/19719","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/users\/17897162"}],"replies":[{"embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/comments?post=19719"}],"version-history":[{"count":0,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/posts\/19719\/revisions"}],"wp:attachment":[{"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/media?parent=19719"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/categories?post=19719"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/geoffreychen.com\/zh\/wp-json\/wp\/v2\/tags?post=19719"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
https:\/\/physicslabs.colorado.edu\/demos\/fluid-mechanics\/statics-of-fluids\/atmospheric-pressure\/suction-cup\/<\/a><\/p>\n