{"id":8223,"date":"2021-02-10T12:40:41","date_gmt":"2021-02-10T05:40:41","guid":{"rendered":"https:\/\/witpoko.com\/?p=8223"},"modified":"2021-02-10T12:40:41","modified_gmt":"2021-02-10T05:40:41","slug":"%e0%b8%a7%e0%b8%b4%e0%b8%97%e0%b8%a2%e0%b9%8c%e0%b8%a1-%e0%b8%95%e0%b9%89%e0%b8%99-%e0%b8%97%e0%b8%a4%e0%b8%a9%e0%b8%8e%e0%b8%b5%e0%b8%9a%e0%b8%97%e0%b9%84%e0%b8%a1%e0%b9%89%e0%b9%80%e0%b8%97","status":"publish","type":"post","link":"https:\/\/witpoko.com\/?p=8223","title":{"rendered":"\u0e27\u0e34\u0e17\u0e22\u0e4c\u0e21.\u0e15\u0e49\u0e19: \u0e17\u0e24\u0e29\u0e0e\u0e35\u0e1a\u0e17\u0e44\u0e21\u0e49\u0e40\u0e17\u0e19\u0e19\u0e34\u0e2a (Tennis Racket Theorem), Rattleback, \u0e2b\u0e31\u0e14\u0e43\u0e0a\u0e49\u0e21\u0e31\u0e25\u0e15\u0e34\u0e21\u0e34\u0e40\u0e15\u0e2d\u0e23\u0e4c"},"content":{"rendered":"\n<p>\u0e27\u0e31\u0e19\u0e19\u0e35\u0e49\u0e1c\u0e21\u0e40\u0e25\u0e48\u0e32\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e17\u0e24\u0e29\u0e0e\u0e35\u0e1a\u0e17\u0e44\u0e21\u0e49\u0e40\u0e17\u0e19\u0e19\u0e34\u0e2a  (<a rel=\"noreferrer noopener\" href=\"https:\/\/en.wikipedia.org\/wiki\/Tennis_racket_theorem\" target=\"_blank\">Tennis Racket Theorem<\/a>) \u0e41\u0e25\u0e30\u0e02\u0e2d\u0e07\u0e40\u0e25\u0e48\u0e19 <a href=\"https:\/\/en.wikipedia.org\/wiki\/Rattleback\">Rattleback<\/a> \u0e43\u0e2b\u0e49\u0e40\u0e14\u0e47\u0e01\u0e46\u0e21.\u0e15\u0e49\u0e19\u0e1f\u0e31\u0e07 \u0e40\u0e19\u0e37\u0e49\u0e2d\u0e2b\u0e32\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e40\u0e2b\u0e21\u0e37\u0e2d\u0e19\u0e01\u0e31\u0e1a\u0e17\u0e35\u0e48<a rel=\"noreferrer noopener\" href=\"https:\/\/witpoko.com\/?p=8201\" target=\"_blank\">\u0e1a\u0e31\u0e19\u0e17\u0e36\u0e01\u0e44\u0e27\u0e49\u0e17\u0e35\u0e48\u0e19\u0e35\u0e48<\/a>\u0e04\u0e23\u0e31\u0e1a<\/p>\n\n\n\n<p>\u0e41\u0e19\u0e30\u0e19\u0e33\u0e43\u0e2b\u0e49\u0e14\u0e39\u0e04\u0e25\u0e34\u0e1b\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e04\u0e23\u0e31\u0e1a:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/1x5UiwEEvpQ?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/1VPfZ_XzisU?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;start=35&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/vklY1bHIi1I?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/11NHjiEYnI0?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p>\u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e40\u0e14\u0e47\u0e01\u0e46\u0e17\u0e35\u0e48\u0e2a\u0e19\u0e43\u0e08\u0e1f\u0e34\u0e2a\u0e34\u0e01\u0e2a\u0e4c\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e40\u0e15\u0e34\u0e21 \u0e25\u0e2d\u0e07\u0e14\u0e39\u0e25\u0e34\u0e07\u0e01\u0e4c\u0e19\u0e35\u0e49\u0e14\u0e49\u0e27\u0e22\u0e01\u0e47\u0e44\u0e14\u0e49\u0e04\u0e23\u0e31\u0e1a: <a href=\"https:\/\/www.comsol.com\/blogs\/why-do-tennis-rackets-tumble-the-dzhanibekov-effect-explained\/\" target=\"_blank\" rel=\"noreferrer noopener\">Why Do Tennis Rackets Tumble? The Dzhanibekov Effect Explained\u2026<\/a><\/p>\n\n\n\n<p>\u0e08\u0e32\u0e01\u0e19\u0e31\u0e49\u0e19\u0e40\u0e14\u0e47\u0e01\u0e46\u0e44\u0e14\u0e49\u0e2b\u0e31\u0e14\u0e43\u0e0a\u0e49\u0e21\u0e31\u0e25\u0e15\u0e34\u0e21\u0e34\u0e40\u0e15\u0e2d\u0e23\u0e4c\u0e01\u0e31\u0e19 \u0e27\u0e31\u0e19\u0e19\u0e35\u0e49\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e27\u0e31\u0e14\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e2a\u0e34\u0e48\u0e07\u0e15\u0e48\u0e32\u0e07\u0e46\u0e23\u0e2d\u0e1a\u0e15\u0e31\u0e27\u0e01\u0e31\u0e19 \u0e21\u0e35\u0e01\u0e32\u0e23\u0e2b\u0e31\u0e14\u0e43\u0e0a\u0e49 continuity test \u0e14\u0e39\u0e27\u0e48\u0e32\u0e2a\u0e32\u0e22\u0e44\u0e1f\u0e02\u0e32\u0e14\u0e2b\u0e23\u0e37\u0e2d\u0e40\u0e1b\u0e25\u0e48\u0e32 \u0e40\u0e19\u0e37\u0e49\u0e2d\u0e2b\u0e32\u0e01\u0e47\u0e04\u0e25\u0e49\u0e32\u0e22\u0e46\u0e43\u0e19\u0e04\u0e25\u0e34\u0e1b\u0e19\u0e35\u0e49\u0e04\u0e23\u0e31\u0e1a:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed\/dN90NcSznqI?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n\n\n\n<p>\u0e40\u0e14\u0e47\u0e01\u0e46\u0e23\u0e39\u0e49\u0e08\u0e31\u0e01\u0e01\u0e32\u0e23\u0e15\u0e48\u0e2d\u0e04\u0e27\u0e32\u0e21\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e41\u0e1a\u0e1a\u0e2d\u0e19\u0e38\u0e01\u0e23\u0e21\u0e41\u0e25\u0e30\u0e41\u0e1a\u0e1a\u0e02\u0e19\u0e32\u0e19 \u0e41\u0e25\u0e30\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e27\u0e31\u0e14\u0e01\u0e31\u0e1a\u0e15\u0e31\u0e27\u0e15\u0e49\u0e32\u0e19\u0e17\u0e32\u0e19\u0e08\u0e23\u0e34\u0e07\u0e46:<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large\"><a href=\"https:\/\/i0.wp.com\/witpoko.com\/wp-content\/uploads\/2021\/02\/IMG_3928-1.jpeg?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"768\" data-attachment-id=\"8225\" data-permalink=\"https:\/\/witpoko.com\/?attachment_id=8225\" data-orig-file=\"https:\/\/i0.wp.com\/witpoko.com\/wp-content\/uploads\/2021\/02\/IMG_3928-1.jpeg?fit=1280%2C960&amp;ssl=1\" data-orig-size=\"1280,960\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;1.6&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;iPhone 12 Pro Max&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;1612951427&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;5.1&quot;,&quot;iso&quot;:&quot;125&quot;,&quot;shutter_speed&quot;:&quot;0.013157894736842&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;1&quot;}\" data-image-title=\"IMG_3928-1\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/witpoko.com\/wp-content\/uploads\/2021\/02\/IMG_3928-1.jpeg?fit=1024%2C768&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/witpoko.com\/wp-content\/uploads\/2021\/02\/IMG_3928-1.jpeg?resize=1024%2C768&#038;ssl=1\" alt=\"\" class=\"wp-image-8225\" srcset=\"https:\/\/i0.wp.com\/witpoko.com\/wp-content\/uploads\/2021\/02\/IMG_3928-1.jpeg?resize=1024%2C768&amp;ssl=1 1024w, https:\/\/i0.wp.com\/witpoko.com\/wp-content\/uploads\/2021\/02\/IMG_3928-1.jpeg?resize=300%2C225&amp;ssl=1 300w, https:\/\/i0.wp.com\/witpoko.com\/wp-content\/uploads\/2021\/02\/IMG_3928-1.jpeg?resize=768%2C576&amp;ssl=1 768w, https:\/\/i0.wp.com\/witpoko.com\/wp-content\/uploads\/2021\/02\/IMG_3928-1.jpeg?w=1280&amp;ssl=1 1280w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><\/a><\/figure><\/div>\n\n\n\n<p>\u0e41\u0e19\u0e30\u0e19\u0e33\u0e43\u0e2b\u0e49\u0e40\u0e14\u0e47\u0e01\u0e44\u0e1b\u0e14\u0e39\u0e04\u0e25\u0e34\u0e1b\u0e17\u0e31\u0e49\u0e07\u0e2b\u0e21\u0e14\u0e43\u0e19\u0e25\u0e34\u0e2a\u0e15\u0e4c Electronics for Beginners \u0e02\u0e49\u0e32\u0e07\u0e25\u0e48\u0e32\u0e07\u0e19\u0e35\u0e49\u0e40\u0e1b\u0e47\u0e19\u0e01\u0e32\u0e23\u0e1a\u0e49\u0e32\u0e19\u0e01\u0e48\u0e2d\u0e19\u0e21\u0e32\u0e1e\u0e1a\u0e01\u0e31\u0e19\u0e2d\u0e35\u0e01\u0e04\u0e23\u0e31\u0e49\u0e07\u0e27\u0e31\u0e19\u0e1e\u0e38\u0e18\u0e2b\u0e19\u0e49\u0e32\u0e04\u0e23\u0e31\u0e1a:<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<span class=\"embed-youtube\" style=\"text-align:center; display: block;\"><iframe loading=\"lazy\" class=\"youtube-player\" width=\"640\" height=\"360\" src=\"https:\/\/www.youtube.com\/embed?version=3&#038;rel=1&#038;showsearch=0&#038;showinfo=1&#038;iv_load_policy=1&#038;fs=1&#038;hl=en-US&#038;autohide=2&#038;wmode=transparent&#038;listType=playlist&#038;list=PLzqS33DOPhJkRn6e9_OTdQwRojO8qlusI\" allowfullscreen=\"true\" style=\"border:0;\" sandbox=\"allow-scripts allow-same-origin allow-popups allow-presentation allow-popups-to-escape-sandbox\"><\/iframe><\/span>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>\u0e27\u0e31\u0e19\u0e19\u0e35\u0e49\u0e1c\u0e21\u0e40\u0e25\u0e48\u0e32\u0e40\u0e23\u0e37\u0e48\u0e2d\u0e07\u0e17\u0e24\u0e29\u0e0e\u0e35\u0e1a\u0e17\u0e44\u0e21\u0e49\u0e40\u0e17\u0e19\u0e19\u0e34\u0e2a (Tennis Racket Theorem) \u0e41\u0e25\u0e30\u0e02\u0e2d\u0e07\u0e40\u0e25\u0e48\u0e19 Rattleback \u0e43\u0e2b\u0e49\u0e40\u0e14\u0e47\u0e01\u0e46\u0e21.\u0e15\u0e49\u0e19\u0e1f\u0e31\u0e07 \u0e40\u0e19\u0e37\u0e49\u0e2d\u0e2b\u0e32\u0e41\u0e25\u0e30\u0e01\u0e32\u0e23\u0e17\u0e14\u0e25\u0e2d\u0e07\u0e40\u0e2b\u0e21\u0e37\u0e2d\u0e19\u0e01\u0e31\u0e1a\u0e17\u0e35\u0e48\u0e1a\u0e31\u0e19\u0e17\u0e36\u0e01\u0e44\u0e27\u0e49\u0e17\u0e35\u0e48\u0e19\u0e35\u0e48\u0e04\u0e23\u0e31\u0e1a \u0e41\u0e19\u0e30\u0e19\u0e33\u0e43\u0e2b\u0e49\u0e14\u0e39\u0e04\u0e25\u0e34\u0e1b\u0e40\u0e2b\u0e25\u0e48\u0e32\u0e19\u0e35\u0e49\u0e04\u0e23\u0e31\u0e1a: \u0e2a\u0e33\u0e2b\u0e23\u0e31\u0e1a\u0e40\u0e14\u0e47\u0e01\u0e46\u0e17\u0e35\u0e48\u0e2a\u0e19\u0e43\u0e08\u0e1f\u0e34\u0e2a\u0e34\u0e01\u0e2a\u0e4c\u0e40\u0e1e\u0e34\u0e48\u0e21\u0e40\u0e15\u0e34\u0e21 \u0e25\u0e2d\u0e07\u0e14\u0e39\u0e25\u0e34\u0e07\u0e01\u0e4c\u0e19\u0e35\u0e49\u0e14\u0e49\u0e27\u0e22\u0e01\u0e47\u0e44\u0e14\u0e49\u0e04\u0e23\u0e31\u0e1a: Why Do Tennis Rackets Tumble? &hellip; <a title=\"\u0e27\u0e34\u0e17\u0e22\u0e4c\u0e21.\u0e15\u0e49\u0e19: \u0e17\u0e24\u0e29\u0e0e\u0e35\u0e1a\u0e17\u0e44\u0e21\u0e49\u0e40\u0e17\u0e19\u0e19\u0e34\u0e2a (Tennis Racket Theorem), Rattleback, \u0e2b\u0e31\u0e14\u0e43\u0e0a\u0e49\u0e21\u0e31\u0e25\u0e15\u0e34\u0e21\u0e34\u0e40\u0e15\u0e2d\u0e23\u0e4c\" class=\"hm-read-more\" href=\"https:\/\/witpoko.com\/?p=8223\"><span class=\"screen-reader-text\">\u0e27\u0e34\u0e17\u0e22\u0e4c\u0e21.\u0e15\u0e49\u0e19: \u0e17\u0e24\u0e29\u0e0e\u0e35\u0e1a\u0e17\u0e44\u0e21\u0e49\u0e40\u0e17\u0e19\u0e19\u0e34\u0e2a (Tennis Racket Theorem), Rattleback, \u0e2b\u0e31\u0e14\u0e43\u0e0a\u0e49\u0e21\u0e31\u0e25\u0e15\u0e34\u0e21\u0e34\u0e40\u0e15\u0e2d\u0e23\u0e4c<\/span>Read more<\/a><\/p>\n","protected":false},"author":1,"featured_media":8226,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_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}},"categories":[2,100,3,131,4,502,6],"tags":[513],"class_list":["post-8223","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-education","category-physics","category-science-class","category-science-toy","category-4","category-502","category-6","tag-513"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/witpoko.com\/wp-content\/uploads\/2021\/02\/Screen-Shot-2564-02-10-at-12.38.34.jpg?fit=1918%2C1286&ssl=1","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/p4UNq0-28D","_links":{"self":[{"href":"https:\/\/witpoko.com\/index.php?rest_route=\/wp\/v2\/posts\/8223","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/witpoko.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/witpoko.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/witpoko.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/witpoko.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=8223"}],"version-history":[{"count":1,"href":"https:\/\/witpoko.com\/index.php?rest_route=\/wp\/v2\/posts\/8223\/revisions"}],"predecessor-version":[{"id":8227,"href":"https:\/\/witpoko.com\/index.php?rest_route=\/wp\/v2\/posts\/8223\/revisions\/8227"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/witpoko.com\/index.php?rest_route=\/wp\/v2\/media\/8226"}],"wp:attachment":[{"href":"https:\/\/witpoko.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=8223"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/witpoko.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=8223"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/witpoko.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=8223"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}