ZIP物理假期作业答案.zip 2.8MB

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资源文件列表:

物理假期作业答案.zip 大约有12个文件
  1. 八年级物理第九章答案（A卷）.docx 11.75KB
  2. 第七章 （B卷参考答案）.doc 1.3MB
  3. 第七章力（A卷）参考答案 (2).docx 49.68KB
  4. 第九章压强（B卷）答案.docx 14.76KB
  5. 第八章 运动和力 B 参考答案.docx 64.67KB
  6. 第八章 运动和力A 参考答案.docx 12KB
  7. 第十一章A卷参考答案.docx 88.04KB
  8. 第十一章功和机械能（B卷）答案.docx 48.23KB
  9. 第十二章 简单机械A卷参考答案（解析版）(1).doc 1.2MB
  10. 第十二章简单机械B卷参考答案（解析版）(1).doc 369.5KB
  11. 第十章 浮力（B卷）参考答案.docx 127.77KB
  12. 第十章A卷答案.docx 27.73KB

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物理假期作业答案.zip
<link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/base.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/css/fancy.min.css" rel="stylesheet"/><link href="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89657066/raw.css" rel="stylesheet"/><div id="sidebar" style="display: none"><div id="outline"></div></div><div class="pf w0 h0" data-page-no="1" id="pf1"><div class="pc pc1 w0 h0"><img alt="" class="bi x0 y0 w1 h1" src="/image.php?url=https://csdnimg.cn/release/download_crawler_static/89657066/bg1.jpg"/><div class="t m0 x1 h2 y1 ff1 fs0 fc0 sc0 ls0 ws0">一、选择题</div><div class="t m0 x1 h2 y2 ff2 fs0 fc0 sc0 ls0 ws0">1<span class="ff1">、</span>D <span class="_ _0"> </span>2<span class="ff1">、</span>B <span class="_ _0"> </span>3<span class="ff1">、</span>A <span class="_ _1"> </span>4<span class="ff1">、</span>A <span class="_ _1"> </span>5<span class="ff1">、</span>A <span class="_ _1"> </span>6<span class="ff1">、</span>A <span class="_ _1"> </span>7<span class="ff1">、</span>D</div><div class="t m0 x1 h2 y3 ff2 fs0 fc0 sc0 ls0 ws0">8<span class="ff1">、</span>C <span class="_ _0"> </span>9<span class="ff1">、</span>BD <span class="_ _0"> </span>10<span class="ff1">、</span>AD</div><div class="t m0 x1 h2 y4 ff1 fs0 fc0 sc0 ls0 ws0">二、填空题</div><div class="t m0 x1 h2 y5 ff2 fs0 fc0 sc0 ls0 ws0">11<span class="ff1">、</span>2.4 <span class="_ _1"> </span>6.25 <span class="_ _1"> </span>12<span class="ff1">、甲</span> <span class="_ _1"> </span>2.8 <span class="_ _1"> </span>0.28 <span class="_ _2"> </span>13<span class="ff1">、相互</span> <span class="_ _2"> </span><span class="ff1">运动状态</span> <span class="_ _2"> </span><span class="ff1">运动</span> </div><div class="t m0 x1 h2 y6 ff2 fs0 fc0 sc0 ls0 ws0">14<span class="ff1">、加速</span> <span class="_ _3"> </span>15<span class="ff1">、大小</span> <span class="_ _2"> </span><span class="ff1">方向</span> <span class="_ _2"> </span><span class="ff1">作用点</span> <span class="_ _0"> </span>16<span class="ff1">、地球</span> <span class="_ _1"> </span><span class="ff1">右边高</span> </div><div class="t m0 x1 h2 y7 ff2 fs0 fc0 sc0 ls0 ws0">17<span class="ff1">、</span>3.8</div><div class="t m0 x1 h2 y8 ff1 fs0 fc0 sc0 ls0 ws0">三、作图题</div><div class="t m0 x1 h2 y9 ff2 fs0 fc0 sc0 ls0 ws0">18<span class="ff1">、</span> <span class="_ _4"> </span> </div><div class="t m0 x1 h2 ya ff1 fs0 fc0 sc0 ls0 ws0">四、实验题</div><div class="t m0 x1 h2 yb ff2 fs0 fc0 sc0 ls0 ws0">19<span class="ff1">、<span class="_ _5"></span>（<span class="ff2">1</span>）<span class="ff2">16</span>，<span class="ff2">6</span>；<span class="_ _5"></span>（<span class="ff2">2</span>）<span class="ff2">B</span>，<span class="ff2">A</span>；<span class="_ _5"></span>（<span class="ff2">3</span>）<span class="ff2">22.5</span></span></div><div class="t m0 x1 h2 yc ff1 fs0 fc0 sc0 ls0 ws0">（<span class="ff2">1</span>）天平，弹簧测力计；</div><div class="t m0 x1 h2 yd ff1 fs0 fc0 sc0 ls0 ws0">（<span class="ff2">2</span>）重力与质量成正比；<span class="_ _5"></span>（<span class="ff2">3</span>）<span class="ff2">9.8</span>；<span class="_ _5"></span>（<span class="ff2">4</span>）吸引<span class="ff2"> <span class="_ _2"> </span>9816N</span>，<span class="ff2">9780N </span></div><div class="t m0 x2 h3 ye ff1 fs1 fc0 sc0 ls0 ws0">【详解】<span class="_ _6"></span>（<span class="ff3">1</span>）<span class="_ _7"></span>实验中要测量的物理量为质量和重力，<span class="_ _8"></span>质量用天平测量，<span class="_ _8"></span>重力用弹簧测力</div><div class="t m0 x1 h3 yf ff1 fs1 fc0 sc0 ls0 ws0">计测量。</div><div class="t m0 x2 h3 y10 ff1 fs1 fc0 sc0 ls0 ws0">（<span class="ff3">2</span>）由表格中数据得，重力与质量的比值相同，且重力增大的倍数与质量增大的倍数</div><div class="t m0 x1 h3 y11 ff1 fs1 fc0 sc0 ls0 ws0">相同，故重力与质量成正比。</div><div class="t m0 x2 h3 y12 ff1 fs1 fc0 sc0 ls0 ws0">（<span class="ff3">3</span>）由表格中数据得，最后一列的计算结果为</div><div class="t m0 x2 h3 y13 ff1 fs1 fc0 sc0 ls0 ws0">（<span class="ff3">4</span>）<span class="_ _7"></span>星球对物体吸引力越大，<span class="_ _8"></span><span class="ff4">g<span class="_"> </span><span class="ff1">越大。<span class="_ _8"></span><span class="ff4">g<span class="_"> </span><span class="ff1">的大小反映了物体所在星球对物体吸引力的大</span></span></span></span></div></div><div class="pi" data-data='{"ctm":[1.611830,0.000000,0.000000,1.611830,0.000000,0.000000]}'></div></div>
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