{"id":270792,"date":"2026-10-06T08:47:00","date_gmt":"2026-10-06T11:47:00","guid":{"rendered":"https:\/\/www.em.com.br\/emfoco\/?p=270792"},"modified":"2026-10-05T21:35:58","modified_gmt":"2026-10-06T00:35:58","slug":"coloque-um-elastico-largo-ao-redor-da-tampa-presa-do-pote-de-vidro-para-aumentar-a-firmeza-da-mao-e-facilitar-a-abertura","status":"publish","type":"post","link":"https:\/\/www.em.com.br\/emfoco\/2026\/10\/06\/coloque-um-elastico-largo-ao-redor-da-tampa-presa-do-pote-de-vidro-para-aumentar-a-firmeza-da-mao-e-facilitar-a-abertura\/","title":{"rendered":"Coloque um el\u00e1stico largo ao redor da tampa presa do pote de vidro para aumentar a firmeza da m\u00e3o e facilitar a abertura"},"content":{"rendered":"\n<div class=\"emf-summary google-auto-ads-ignore\">\n  <style>\n    .emf-summary {\n      --emf-navy:#00245a;\n      --emf-navy-soft:#0b3b70;\n      --emf-ink:#1d2731;\n      --emf-muted:#66727e;\n      --emf-line:#d7dde5;\n      --emf-paper:#ffffff;\n      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   }\n\n      .emf-summary-logo {\n        inline-size:52px;\n        block-size:52px;\n        flex-basis:52px;\n      }\n\n      .emf-summary-logo img {\n        inline-size:41px;\n        block-size:41px;\n        max-inline-size:41px;\n        max-block-size:41px;\n      }\n\n      .emf-summary-title {\n        font-size:22px;\n      }\n\n      .emf-summary-card {\n        padding:21px 16px 18px;\n      }\n    }\n  <\/style>\n\n  <div class=\"emf-summary-brand\">\n    <div class=\"emf-summary-logo\">\n      <img\n        alt=\"Logo EM Foco\"\n        decoding=\"async\"\n        fetchpriority=\"high\"\n        height=\"46\"\n        loading=\"eager\"\n        referrerpolicy=\"no-referrer\"\n        src=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/08\/em_transparente_3000px-scaled.png\"\n        width=\"46\"\n      >\n    <\/div>\n\n    <div>\n      <div class=\"emf-summary-eyebrow\">EM FOCO<\/div>\n      <div class=\"emf-summary-title\">Resumo da mat\u00e9ria<\/div>\n    <\/div>\n  <\/div>\n\n  <div class=\"emf-summary-grid\">\n    <div class=\"emf-summary-card\">\n      <span aria-hidden=\"true\" class=\"emf-summary-number\">01<\/span>\n      <div aria-level=\"3\" class=\"emf-summary-card-title\" role=\"heading\">\n        Mais firmeza na tampa\n      <\/div>\n      <div class=\"emf-summary-card-text\">\n        O el\u00e1stico cria uma camada de borracha entre a m\u00e3o e o metal, reduzindo o escorregamento enquanto voc\u00ea tenta girar a tampa.\n      <\/div>\n      <div class=\"emf-summary-card-meta\">\n        Mais ader\u00eancia\n      <\/div>\n    <\/div>\n    <div class=\"emf-summary-card\">\n      <span aria-hidden=\"true\" class=\"emf-summary-number\">02<\/span>\n      <div aria-level=\"3\" class=\"emf-summary-card-title\" role=\"heading\">\n        O giro ainda importa\n      <\/div>\n      <div class=\"emf-summary-card-text\">\n        Abrir um pote exige segurar o recipiente e aplicar for\u00e7a de tor\u00e7\u00e3o na tampa; melhorar a pegada ajuda a aproveitar melhor esse esfor\u00e7o.\n      <\/div>\n      <div class=\"emf-summary-card-meta\">\n        For\u00e7a de giro\n      <\/div>\n    <\/div>\n    <div class=\"emf-summary-card\">\n      <span aria-hidden=\"true\" class=\"emf-summary-number\">03<\/span>\n      <div aria-level=\"3\" class=\"emf-summary-card-title\" role=\"heading\">\n        Nem todo pote cede\n      <\/div>\n      <div class=\"emf-summary-card-text\">\n        Se a tampa estiver deformada, colada por alimento ou presa por forte v\u00e1cuo, o el\u00e1stico pode ajudar pouco e outra t\u00e9cnica ser\u00e1 necess\u00e1ria.\n      <\/div>\n      <div class=\"emf-summary-card-meta\">\n        Limite real\n      <\/div>\n    <\/div>\n  <\/div>\n<\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Uma <strong>tampa de pote<\/strong> parece imposs\u00edvel de girar quando os dedos escorregam no metal. Um <strong>el\u00e1stico largo<\/strong> cria uma camada emborrachada, melhora a pegada e aproveita melhor a for\u00e7a aplicada. O truque n\u00e3o elimina v\u00e1cuo nem res\u00edduos na rosca, mas ajuda quando o problema central \u00e9 ader\u00eancia insuficiente nas m\u00e3os.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Por que o el\u00e1stico ajuda a abrir a tampa?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O principal ganho vem da <strong>ader\u00eancia<\/strong>. A borracha cria uma superf\u00edcie menos lisa para os dedos, reduz o deslizamento e permite que uma parte maior da for\u00e7a aplicada pela m\u00e3o vire giro efetivo na tampa, em vez de escapar pela superf\u00edcie met\u00e1lica.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O efeito est\u00e1 ligado ao <a href=\"https:\/\/pt.wikipedia.org\/wiki\/Atrito\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>atrito<\/strong><\/a>, a for\u00e7a que resiste ao deslizamento entre superf\u00edcies. Em uma tampa lisa, melhorar o contato da m\u00e3o com a borda pode fazer diferen\u00e7a mesmo sem aumentar muito a for\u00e7a muscular.<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-large\"><img decoding=\"async\" width=\"1024\" height=\"576\" src=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/10\/image-78-1024x576.png\" alt=\"\" class=\"wp-image-270970\" srcset=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/10\/image-78-1024x576.png 1024w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/10\/image-78-300x169.png 300w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/10\/image-78-768x432.png 768w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/10\/image-78-1140x641.png 1140w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/10\/image-78-750x421.png 750w, https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/10\/image-78.png 1280w\" sizes=\"(max-width: 1024px) 100vw, 1024px\" \/><figcaption class=\"wp-element-caption\">Mais firmeza pode facilitar a abertura quando a superf\u00edcie est\u00e1 lisa ou escorregadia &#8211; Imagem ilustrativa<\/figcaption><\/figure>\n<\/div>\n\n\n<h2 class=\"wp-block-heading\">O que pesquisas sobre pegada mostram?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Em trabalho divulgado pela <strong>Georgia Tech<\/strong>, pesquisadores estudaram tampas mais f\u00e1ceis de abrir e sugeriram revestimento parecido com borracha justamente para aumentar o atrito entre a tampa e a m\u00e3o. O princ\u00edpio \u00e9 o mesmo aproveitado pelo el\u00e1stico dom\u00e9stico.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">O <a href=\"https:\/\/www.si.edu\/object\/oxo-jar-opener%3Anmah_1427231\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Smithsonian<\/strong><\/a> tamb\u00e9m descreve um abridor com grande empunhadura antiderrapante criado para facilitar o uso. O objetivo n\u00e3o \u00e9 criar for\u00e7a do nada, mas evitar que a m\u00e3o perca contato durante o giro.<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Como colocar o el\u00e1stico para ganhar mais firmeza?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Escolha um <strong>el\u00e1stico largo<\/strong> que fique justo ao redor da borda externa da tampa. Quanto melhor ele cobrir a \u00e1rea em que os dedos encostam, mais f\u00e1cil fica manter a pegada durante a tentativa de girar o metal.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Segure o vidro com a outra m\u00e3o sobre uma superf\u00edcie seca e firme. Gire a tampa sem movimentos bruscos. Se o <strong>pote estiver molhado<\/strong>, seque primeiro, porque \u00e1gua na m\u00e3o e no recipiente pode atrapalhar o controle mesmo com a borracha.<\/p>\n\n\n\n<p class=\"myth-list-bridge wp-block-paragraph\">A seguir listamos <strong>4 cuidados simples<\/strong> que ajudam a aplicar o truque com mais controle:<\/p>\n\n\n\n<ul class=\"wp-block-list myth-bullet-list\">\n<li><strong>Use el\u00e1stico largo:<\/strong> ele cobre melhor a borda e oferece uma \u00e1rea maior para os dedos segurarem.<\/li>\n\n\n\n<li><strong>Seque as m\u00e3os:<\/strong> \u00e1gua pode diminuir o controle sobre o pote e tornar o giro menos firme.<\/li>\n\n\n\n<li><strong>Segure o vidro:<\/strong> estabilizar o recipiente permite concentrar o movimento na tampa.<\/li>\n\n\n\n<li><strong>Evite for\u00e7a excessiva:<\/strong> vidro trincado ou lascado n\u00e3o deve receber tor\u00e7\u00e3o agressiva.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Leia tamb\u00e9m: <a href=\"https:\/\/www.em.com.br\/emfoco\/2026\/10\/05\/pare-de-deixar-a-colher-de-pau-de-molho-dentro-da-pia-a-agua-entra-na-madeira-e-pode-causar-rachaduras-e-cheiro-ruim\/\" target=\"_blank\" rel=\"noreferrer noopener\">Pare de deixar a colher de pau de molho dentro da pia: a \u00e1gua entra na madeira e pode causar rachaduras e cheiro ruim<\/a><\/strong><\/p>\n\n\n\n<h2 class=\"wp-block-heading\">Quando o el\u00e1stico pode n\u00e3o resolver?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O problema pode estar al\u00e9m da pegada. Restos a\u00e7ucarados podem colar a rosca, uma tampa pode estar amassada e certos potes ficam presos por <strong>diferen\u00e7a de press\u00e3o<\/strong>. Nesses casos, aumentar o atrito ajuda a m\u00e3o, mas n\u00e3o remove sozinho a causa.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Tamb\u00e9m vale evitar esfor\u00e7o excessivo em vidro trincado ou lascado. O <strong>el\u00e1stico<\/strong> \u00e9 um aux\u00edlio simples para a tampa escorregadia, n\u00e3o uma licen\u00e7a para torcer um recipiente danificado com cada vez mais for\u00e7a at\u00e9 ele ceder.<\/p>\n\n\n\n<p class=\"myth-html-bridge wp-block-paragraph\">A seguir listamos <strong>3 situa\u00e7\u00f5es pr\u00e1ticas<\/strong> que resumem quando o m\u00e9todo funciona melhor:<\/p>\n\n\n\n<div class=\"emf-data-table google-auto-ads-ignore\">\n  <style>\n    .emf-data-table {\n      --emf-navy:#00245a;\n      --emf-navy-soft:#0b3b70;\n      --emf-ink:#1d2731;\n      --emf-muted:#66727e;\n      --emf-line:#d7dde5;\n      --emf-wash:#f4f6f8;\n      box-sizing:border-box!important;\n      inline-size:min(1100px,100%)!important;\n      max-inline-size:100%!important;\n      margin-inline:auto!important;\n      overflow:hidden!important;\n      color:var(--emf-ink);\n      background:#fff;\n      border:1px solid var(--emf-line);\n      border-radius:6px!important;\n      box-shadow:0 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decoding=\"async\"\n        height=\"41\"\n        loading=\"lazy\"\n        referrerpolicy=\"no-referrer\"\n        src=\"https:\/\/www.em.com.br\/emfoco\/wp-content\/uploads\/2026\/08\/em_transparente_3000px-scaled.png\"\n        width=\"41\"\n      >\n    <\/div>\n\n    <div>\n      <div class=\"emf-data-table-kicker\">DADOS EM FOCO<\/div>\n      <div class=\"emf-data-table-title\">Por que a tampa resiste<\/div>\n    <\/div>\n  <\/div>\n\n  <div aria-label=\"Compara\u00e7\u00e3o de causas comuns para uma tampa dif\u00edcil de abrir\" class=\"emf-data-table-scroll\" role=\"region\" tabindex=\"0\">\n    <table>\n      <caption>Causas poss\u00edveis de uma tampa presa e resposta adequada<\/caption>\n      <thead>\n        <tr>\n          <th scope=\"col\">Situa\u00e7\u00e3o<\/th>\n          <th scope=\"col\">O el\u00e1stico ajuda?<\/th>\n          <th scope=\"col\">Motivo<\/th>\n        <\/tr>\n      <\/thead>\n      <tbody>\n        <tr>\n          <td data-label=\"Situa\u00e7\u00e3o\">Tampa lisa<\/td>\n          <td data-label=\"O el\u00e1stico ajuda?\">Sim<\/td>\n          <td data-label=\"Motivo\">Melhora a pegada<\/td>\n        <\/tr>\n        <tr>\n          <td data-label=\"Situa\u00e7\u00e3o\">M\u00e3os \u00famidas<\/td>\n          <td data-label=\"O el\u00e1stico ajuda?\">Pouco<\/td>\n          <td data-label=\"Motivo\">\u00c9 melhor secar antes<\/td>\n        <\/tr>\n        <tr>\n          <td data-label=\"Situa\u00e7\u00e3o\">Rosca com res\u00edduo<\/td>\n          <td data-label=\"O el\u00e1stico ajuda?\">Pode ajudar pouco<\/td>\n          <td data-label=\"Motivo\">A causa n\u00e3o \u00e9 s\u00f3 atrito<\/td>\n        <\/tr>\n        <tr>\n          <td data-label=\"Situa\u00e7\u00e3o\">Vidro danificado<\/td>\n          <td data-label=\"O el\u00e1stico ajuda?\">N\u00e3o \u00e9 indicado<\/td>\n          <td data-label=\"Motivo\">For\u00e7ar aumenta o risco<\/td>\n        <\/tr>\n      <\/tbody>\n    <\/table>\n  <\/div>\n<\/div>\n\n\n\n<h2 class=\"wp-block-heading\">Qual \u00e9 a vantagem pr\u00e1tica desse truque?<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">O melhor cen\u00e1rio \u00e9 aquele em que a tampa est\u00e1 apenas lisa demais para uma boa pegada. O <strong>el\u00e1stico largo<\/strong> ocupa pouco espa\u00e7o, pode ser retirado logo depois e transforma uma superf\u00edcie met\u00e1lica lisa em uma \u00e1rea mais f\u00e1cil de segurar.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Por isso, vale tentar a borracha antes de recorrer a ferramentas improvisadas. Se o pote continua preso, o problema provavelmente n\u00e3o \u00e9 s\u00f3 <strong>falta de ader\u00eancia<\/strong>. Nesse ponto, insistir no mesmo movimento tende a acrescentar esfor\u00e7o sem resolver a causa real.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>EM FOCO Resumo da mat\u00e9ria 01 Mais firmeza na tampa O el\u00e1stico cria uma camada de borracha entre a m\u00e3o e o metal, reduzindo o escorregamento enquanto voc\u00ea tenta girar a tampa. Mais ader\u00eancia 02 O giro ainda importa Abrir um pote exige segurar o recipiente e aplicar for\u00e7a de tor\u00e7\u00e3o na tampa; melhorar a [&hellip;]<\/p>\n","protected":false},"author":30,"featured_media":270969,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"jnews-multi-image_gallery":[],"jnews_single_post":{"format":"standard"},"jnews_primary_category":[],"jnews_social_meta":[],"jnews_override_counter":[],"footnotes":""},"categories":[29],"tags":[36464,33878,33879,31573],"class_list":["post-270792","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-entretenimento","tag-atrito","tag-elastico","tag-pote","tag-tampa"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.3 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Coloque um el\u00e1stico largo ao redor da tampa presa do pote de vidro para aumentar a firmeza da m\u00e3o e facilitar a abertura - Estado de Minas - Em foco<\/title>\n<meta name=\"description\" content=\"Uma tampa lisa pode parecer imposs\u00edvel de girar. 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