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      <title>힘의 종류와 사례 모으기 by 김동일</title>
      <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a</link>
      <description>각 힘(중력, 부력, 마찰력, 탄성력)의 정의와 실생활 사례를 이미지나 영상과 함께 게시하세요.</description>
      <language>en-us</language>
      <pubDate>2025-09-08 06:07:23 UTC</pubDate>
      <lastBuildDate>2025-09-09 05:03:29 UTC</lastBuildDate>
      <webMaster>hello@padlet.com</webMaster>
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      <item>
         <title>Instructions</title>
         <author>ehddlf0721</author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3573282753</link>
         <description><![CDATA[<ol><li><p>각 섹션(중력, 부력, 마찰력, 탄성력)마다 게시글을 1개씩 작성하기.</p></li><li><p>해당 힘의 간단한 정의를 본문에 작성하기.</p></li><li><p>실생활에서 해당 힘이 적용되는 구체적 사례를 설명하기.</p></li><li><p>사례를 보여주는 사진이나 영상을 첨부하거나,  이미지를 첨부하기.</p></li><li><p>다른 친구들의 게시글도 확인해보세요.</p></li></ol>]]></description>
         <pubDate>2025-09-08 06:07:32 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3573282753</guid>
      </item>
      <item>
         <title>2조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575248179</link>
         <description><![CDATA[<p>중력이란, 질량을 가진 모든 물체가 서로 끌어당기는 힘이다.</p><p>중력은 스키점프에도 적용된다.</p>]]></description>
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         <pubDate>2025-09-09 04:41:26 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575248179</guid>
      </item>
      <item>
         <title>3조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575253532</link>
         <description><![CDATA[<p>사과가 나무에서 떨어지는것</p>]]></description>
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         <pubDate>2025-09-09 04:44:19 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575253532</guid>
      </item>
      <item>
         <title>중력</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575255257</link>
         <description><![CDATA[<p><strong>질량을 가진 모든 물체 사이에 작용하는 서로 당기는 힘</strong></p><p><strong>예) 폭포</strong></p>]]></description>
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         <pubDate>2025-09-09 04:45:12 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575255257</guid>
      </item>
      <item>
         <title>2조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575255702</link>
         <description><![CDATA[<p>-부력의 정의</p><p>물 또는 공기가 물체를 끌어당기는 힘이다</p><p><br/></p><p>-실생활 예시</p><p>물 위에 떠있는 튜브가 부력의 예시이다</p>]]></description>
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         <pubDate>2025-09-09 04:45:28 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575255702</guid>
      </item>
      <item>
         <title>1조 중력</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575256477</link>
         <description><![CDATA[<p><br/></p><p>✦ 중력 (Gravity)</p><ul><li><p>지구가 물체를 끌어당기는 힘 🌍</p></li><li><p>항상 <strong>아래 방향</strong>으로 작용</p></li><li><p>예시: 사과가 떨어지는 것 🍎, 점프 후 내려오기</p></li></ul>]]></description>
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         <pubDate>2025-09-09 04:45:57 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575256477</guid>
      </item>
      <item>
         <title>7조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575257160</link>
         <description><![CDATA[<p><br/></p><p>중력이란? 물체가 지구(또는 다른 천체)에 의해 끌려 내려가는 힘 즉, 지구가 물체를 끌어당기는 힘이다</p><p><br/></p><p>중력의 사례: 사과가 나무에서 떨어지는 것 뉴턴이 중력의 존재를 떠올린 유명한 사례이다 물체가 땅으로 떨어지는 건 지구가 끌어당기기 때문이다</p>]]></description>
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         <pubDate>2025-09-09 04:46:17 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575257160</guid>
      </item>
      <item>
         <title>4조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575259647</link>
         <description><![CDATA[<p>중력의 의미: 질량을 가진 모든 물체 사이에 작용하는 서로 당기는 힘, 상호 인력</p><p>중력의 사례: 중력의 사례로는 사과가 땅에 떨어지는 현상, 달의 영향으로 발생하는 조석 현상, 롤러코스터 탑승 시 느끼는 힘, 그리고 인공 중력을 이용한 우주선 원리 등</p>]]></description>
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         <pubDate>2025-09-09 04:47:24 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575259647</guid>
      </item>
      <item>
         <title>3조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575259730</link>
         <description><![CDATA[<p>부레옥잠이 물위에 떠있는것</p>]]></description>
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         <pubDate>2025-09-09 04:47:27 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575259730</guid>
      </item>
      <item>
         <title>부력</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575260237</link>
         <description><![CDATA[<p><strong>물체를 둘러싼 유체가 물체를 위로 밀어 올리는 힘</strong></p><p><strong>예) 배</strong></p>]]></description>
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         <pubDate>2025-09-09 04:47:42 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575260237</guid>
      </item>
      <item>
         <title>8조(중력)</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575261906</link>
         <description><![CDATA[<p>중력의 정의:질량을 가진 모든 물체가 서로 끌어당기는 힘</p><p>실생활 사레:과일이 나무에서 떨어지는 것</p>]]></description>
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         <pubDate>2025-09-09 04:48:36 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575261906</guid>
      </item>
      <item>
         <title>7조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575262702</link>
         <description><![CDATA[<p>부력이란? 액체나 기체 속에 물체가 떠오르게 하는 힘</p><p>쉽게 말해, 물체가 물이나 공기 속에서 위로 밀려나는 힘</p><p><br/></p><p>부력의 사례: 배가 물에 떠 있는 것</p><p><br/></p>]]></description>
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         <pubDate>2025-09-09 04:49:05 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575262702</guid>
      </item>
      <item>
         <title>1조 마찰력</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575262880</link>
         <description><![CDATA[<p><br/></p><p>✦ 마찰력 (Friction)</p><ul><li><p>물체와 물체가 맞닿아 있을 때, <strong>움직임을 방해하는 힘</strong></p></li><li><p>방향은 항상 운동 반대쪽 ↩️</p></li><li><p>예시: 신발 덕분에 미끄럽지 않음 👟, 자동차가 잘 멈춤 🛞</p></li></ul>]]></description>
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         <pubDate>2025-09-09 04:49:11 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575262880</guid>
      </item>
      <item>
         <title>4조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575263216</link>
         <description><![CDATA[<p>부력의 의미: 물체를 둘러싼 유체가 물체를 위로 밀어 올리는 힘</p><p>부력의 사례: 잠수함, 풍선, 배, 구명조끼, 헬륨 풍선 등이 있습니다</p>]]></description>
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         <pubDate>2025-09-09 04:49:22 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575263216</guid>
      </item>
      <item>
         <title>1조 부력</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575263885</link>
         <description><![CDATA[<p><br/></p><p>✦ 부력 (Buoyancy)</p><ul><li><p>물이나 공기 같은 유체가 물체를 <strong>위로 밀어올리는 힘</strong></p></li><li><p>덕분에 무거운 배도 둥둥 뜸 🚢</p></li><li><p>예시: 수영할 때 몸이 뜸 🛟, 풍선이 공중에 둥둥 🎈</p></li></ul><p><br/></p>]]></description>
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         <pubDate>2025-09-09 04:49:45 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575263885</guid>
      </item>
      <item>
         <title>9조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575264042</link>
         <description><![CDATA[<p>정의:액체나 기체 속에 있는 물체가 위쪽으로 받는 힘.</p><p>실생활 예시: 튜브가 물에 떠있는것</p>]]></description>
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         <pubDate>2025-09-09 04:49:53 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575264042</guid>
      </item>
      <item>
         <title>3조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575264859</link>
         <description><![CDATA[<p>연필로 종이에 그림을 그리는것.</p>]]></description>
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         <pubDate>2025-09-09 04:50:18 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575264859</guid>
      </item>
      <item>
         <title>6조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575265087</link>
         <description><![CDATA[<p>지구가 물체를 당기는 힘</p><p><br></p><p>사례: 멀리뛰기</p>]]></description>
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         <pubDate>2025-09-09 04:50:22 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575265087</guid>
      </item>
      <item>
         <title>1조 탄성력</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575265324</link>
         <description><![CDATA[<p><br/></p><p>✦ 탄성력 (Elastic Force)</p><ul><li><p>물체가 눌리거나 늘어났다가, <strong>원래 모양으로 돌아가려는 힘</strong></p></li><li><p>말랑한 애들이 잘 보여줌 😆</p></li><li><p>예시: 고무줄 원래대로 📏, 트램펄린에서 튀어오름 🤸</p></li></ul><p><br/></p>]]></description>
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         <pubDate>2025-09-09 04:50:29 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575265324</guid>
      </item>
      <item>
         <title>2조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575265401</link>
         <description><![CDATA[<p>마찰력이란, 물체가 이동하려고 할 때 그 이동을 방해하는 힘 입니다.</p><p><br></p><p>마찰력은 썰매를 탈 때도 나타납니다.</p>]]></description>
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         <pubDate>2025-09-09 04:50:31 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575265401</guid>
      </item>
      <item>
         <title>7조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575266976</link>
         <description><![CDATA[<p>탄성력이란? 물체를 늘리거나 눌렀을 때, 다시 원래 모양으로 돌아가려는 힘</p><p><br/></p><p>탄성력의 사례: 고무줄을 당겼다가 놓으면 다시 돌아오는 힘</p>]]></description>
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         <pubDate>2025-09-09 04:51:24 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575266976</guid>
      </item>
      <item>
         <title>8조 (부력)</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575267142</link>
         <description><![CDATA[<p>부력의 정의:<strong>유체에 잠긴 특정 대상(고체, 액체, 기체 등)의 상/하면에 작용하는 중력 방향의 압력 차이만큼 대상을 위로 밀어 올리는 힘이다</strong></p><p><strong>사례:잠수함</strong></p>]]></description>
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         <pubDate>2025-09-09 04:51:28 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575267142</guid>
      </item>
      <item>
         <title>9조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575268429</link>
         <description><![CDATA[<p>정의:두 물체가 맞닿아 있을 때 운동을 방해하거나 도와주는 힘</p><p>예시:스케이트보드</p>]]></description>
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         <pubDate>2025-09-09 04:52:05 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575268429</guid>
      </item>
      <item>
         <title>마찰력</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575268635</link>
         <description><![CDATA[<p>두 물체의 접촉면 사이에서 물체의 운동을 방해하는 힘</p><p>예) 사포</p>]]></description>
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         <pubDate>2025-09-09 04:52:12 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575268635</guid>
      </item>
      <item>
         <title>3조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575269212</link>
         <description><![CDATA[<p>트램펄린에서 점프해서 튕겨나오는 힘</p>]]></description>
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         <pubDate>2025-09-09 04:52:33 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575269212</guid>
      </item>
      <item>
         <title>탄성력</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575270657</link>
         <description><![CDATA[<p><strong>외부 힘에 의해 변형된 물체가 원래의 모양과 상태로 되돌아가려는 힘</strong></p><p><strong>예) 고무줄</strong></p>]]></description>
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         <pubDate>2025-09-09 04:53:25 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575270657</guid>
      </item>
      <item>
         <title>6조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575271398</link>
         <description><![CDATA[<p>액체나 기체가 그 속에 있는 물체를 위로 밀어올리는 힘</p><p><br/></p><p>사례: 빙산이 물위에 떠오름</p>]]></description>
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         <pubDate>2025-09-09 04:53:51 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575271398</guid>
      </item>
      <item>
         <title>7조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575271638</link>
         <description><![CDATA[<p>마찰력이란? 물체가 다른 물체와 접촉하여 움직이려고 할 때, 그 움직임을 방해하는 힘</p><p><br/></p><p>마찰력의 사례: 손을 비비면 따뜻해지는 것</p><p><br/></p>]]></description>
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         <pubDate>2025-09-09 04:53:58 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575271638</guid>
      </item>
      <item>
         <title>4조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575272055</link>
         <description><![CDATA[<p>마찰력의 의미: 두 물체의 접촉면 사이에서 물체의 미끄러짐을 방해하는 힘</p><p>마찰력의 사례: 걷거나 물건을 잡을 때 발바닥과 바닥 사이의 마찰, 자동차 타이어와 도로 사이의 마찰, 사포나 등산화 바닥처럼 표면을 거칠게 만들어 마찰력을 높인 경우, 그리고 윤활유를 사용하거나 베어링을 활용해 마찰력을 줄이는 경우가 있습니다. </p>]]></description>
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         <pubDate>2025-09-09 04:54:09 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575272055</guid>
      </item>
      <item>
         <title>9조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575274711</link>
         <description><![CDATA[<p>정의:질량을 가진 물체 사이에 서로 끌어당기는 힘</p><p>ex:사람이 서있는것</p>]]></description>
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         <pubDate>2025-09-09 04:55:22 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575274711</guid>
      </item>
      <item>
         <title>4조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575276195</link>
         <description><![CDATA[<p>탄성력의 의미: 외부 힘에 의해 변형된 물체가 원래의 모양과 상태로 되돌아가려는 힘</p><p>탄성력의 사례: 용수철 저울, 고무줄, 번지점프용 줄, 탱탱볼, 침대 매트리스, 양궁용 활 등이 있습니다</p><p><br></p>]]></description>
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         <pubDate>2025-09-09 04:56:07 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575276195</guid>
      </item>
      <item>
         <title>9조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575280604</link>
         <description><![CDATA[<p>정의:물체가 변형되었다가 원래 모양으로 돌아가려 할 때 나타나는 힘</p><p>ex:농구공이 튀어오르는것</p>]]></description>
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         <pubDate>2025-09-09 04:58:23 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575280604</guid>
      </item>
      <item>
         <title>6조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575280972</link>
         <description><![CDATA[<p>두 물체의 접촉면에서 물체의 운동을 방해하는 힘</p><p><br/></p><p>사례: 등산화와 바위 사이</p>]]></description>
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         <pubDate>2025-09-09 04:58:31 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575280972</guid>
      </item>
      <item>
         <title>2조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575282968</link>
         <description><![CDATA[<p>탄성력의 정의: 변형된 물체가 원래 모양으로 돌아가려는 힘.</p><p><br/></p><p>예시) 스프링</p>]]></description>
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         <pubDate>2025-09-09 04:59:30 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575282968</guid>
      </item>
      <item>
         <title>6조</title>
         <author></author>
         <link>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575287149</link>
         <description><![CDATA[<p>물체가 원래 모양으로 되돌아가려는 힘</p><p><br/></p><p>사례: 트램펄린에서 뛰어오를 때</p>]]></description>
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         <pubDate>2025-09-09 05:01:24 UTC</pubDate>
         <guid>https://padlet.com/velvetyeargroup/mdnh7sk2z7npsw2a/wish/3575287149</guid>
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