hboaaa高一物理平衡條件-免費閱讀
【正文】 wesit, which is the only Indian equivalent she could find for MorningGlory— literally meaning ‘Climbing Plant’ or ‘P retty Flower’ for her Camp Fire name. But I believe there’s a story attached to the choice, some ‘cunning’ little anecdote of her childhood. Wi sh I could ferret it out! She seems, always, to have been called ‘Glory,’ nearly as much as Jessica,” answered Sesooā racily, she who in every day life bore no flaming cognomen, but was plain little, gay little, Sally Davenport, as full of quips and quirks, of lightning impulses and sudden turns as the wheeling firefly in her eyes.“Goody! I’d like to hear the anecdote, too. The Morning Glory name suits her so well that I thought she must have dreamed it— that it came to her in sleep— as I dreamed mine,” laughed the Rainbow, whose rightful name when she was not clad in a leather fringed robe of khaki, in moccasins and headband, and seated by a Council Fire, was Arline Champion. “But I call it absurd, meanly absurd, that if there’s any stor y about her and her name, we should not hear it, we who have named our Camp Fire (and it’s the best in the city, too, though I say it myself!), o ur whole group or tribe of fourteen girls, after her,” she went on with a stamp of her foot on the playground sod and with rainbowed emphasis。 受力分析的注意事項 物體所受的力都有其施力物體，否則該力不存在； 受力分析時，只考慮根據 性質 命名的力； 對于摩擦力應充分考慮物體與接觸面是否有相對運動和相對運動趨勢； 受力分析時，要抓主要矛盾，忽略次要矛盾； 根據物體的運動狀態(tài)去檢查物體的受力情況。 1． 當細繩 OA與豎直方向成 θ 角時，兩細繩OA、 OB的拉力 FA、 FB分別是多大 ? FA = G/CoSθ ， FB = G/Cotθ 小結： 解這種題型首先對動態(tài)平衡的物體受力分析，確定三個力的特點；找出不變力，則另兩個變力的合力就與該不變力構成一對平衡力，用力的合成分解法、圖解法或力的矢量三角形與結構三角形相似法解決。
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