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從記憶中他曾做實(shí)驗(yàn)傾向于以太充斥于所有物體的空隙之中的說(shuō)法，雖然以太對(duì)于引力沒(méi)有覺(jué)察的影響。15世紀(jì)以來(lái)的學(xué)者對(duì)以太著了迷，以太學(xué)說(shuō)風(fēng)靡一時(shí)。當(dāng)時(shí)科學(xué)巨擘笛卡兒對(duì)以太存在深信不疑。他認(rèn)為行星之運(yùn)行可以以太旋渦來(lái)解 在微觀中，所有物理量在原則上不可能同時(shí)被測(cè)定。因此經(jīng)典力學(xué)的定律一般只是宏觀物體低速運(yùn)動(dòng)時(shí)的近似定律。力學(xué)力學(xué)是以運(yùn)動(dòng)定律為基礎(chǔ)，在17世紀(jì)以后發(fā)展起來(lái)的。直接以運(yùn)動(dòng)定律為出發(fā)點(diǎn)來(lái)研究質(zhì)點(diǎn)
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釋。以太學(xué)說(shuō)成為一時(shí)哲學(xué)思潮。尊重實(shí)驗(yàn)的也不免卷入這股哲學(xué)思潮激流中去，傾向于它存在。當(dāng)時(shí)人們對(duì)超距作用看法不一。曾經(jīng)指出他的引力相互作用定律，并不認(rèn)為是終的解釋，而只是從實(shí)驗(yàn)中歸納出來(lái)的一條規(guī)則。因此 鎮(zhèn)去，發(fā)現(xiàn)他的伸著腿，躺在草地上，正在聚精會(huì)神地鉆研一個(gè)數(shù)學(xué)問(wèn)題。的好學(xué)精神感動(dòng)了，于是勸服了讓復(fù)學(xué)，并鼓勵(lì)上大學(xué)讀書。又重新回到了學(xué)校，如饑似渴地汲取著書本上的營(yíng)養(yǎng)。
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磁場(chǎng)力包括磁場(chǎng)對(duì)運(yùn)動(dòng)電荷作用的洛侖茲力和磁場(chǎng)對(duì)電流作用的安培力。幾種效果力編輯壓力垂直作用在物體表面上的力。把書水平的桌子上，它對(duì)桌面的作用就是壓力。它的大小等于書的物重。但是，如果書斜板上，這時(shí)書對(duì)斜 受力與彈簧伸長(zhǎng)量成正比。庫(kù)侖扭秤：懸絲的扭力能夠?yàn)槲锢韺W(xué)家提供一種地測(cè)量很小的力的。扭轉(zhuǎn)力矩與懸絲的扭轉(zhuǎn)角成正比，與懸絲直徑的4次方成正比，與懸絲的長(zhǎng)度成反比。庫(kù)侖扭秤的主要部分是一根金屬細(xì)絲，上端固定，下端懸有物體，在外力作用下物體轉(zhuǎn)動(dòng)，使金屬絲發(fā)生扭轉(zhuǎn)，測(cè)量出扭轉(zhuǎn)角度，就可以根據(jù)扭轉(zhuǎn)定律算出外力。磅秤：磅秤的原理是依據(jù)力來(lái)測(cè)的，但是在地球上，在認(rèn)為地球是不動(dòng)的參考系（慣性參考系）中，磅秤稱出來(lái)的結(jié)果是“正確”的。因?yàn)檫@時(shí)重力加速度是取了9.8N/kg的。要是到了月球上，稱出來(lái)的就不是“正確”的了，因?yàn)榘醭影阎亓铀俣冗�看作是9.8N/kg，而事實(shí)上月球上的重力加速度比這小多了。定律彈簧秤：主要是胡克定理：F=k△x.彈簧的長(zhǎng)度與所受外力成正比。
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固定在梁上的指針不且指向正中刻度時(shí)的偏轉(zhuǎn)就是待稱重物體的重量。使用注意事項(xiàng)1.要放置在水平的地方。2.使用前要使天平左右平衡（游碼必須歸“0”平衡螺母向相反方向調(diào)，使用口訣：左高端，向左調(diào)）。3.砝碼不能用手拿要用鑷子夾取。千萬(wàn)不能把砝碼、弄臟（這樣會(huì)讓砝碼腐蝕生銹，砝碼變大，測(cè)量結(jié)果不準(zhǔn)確），游碼也要用鑷子撥動(dòng)。4.被測(cè)物體的不能超過(guò)天平量程或低于天平游碼刻度。5.的物體和化學(xué)不能直接天平的盤中。6.稱量時(shí)注意左物右碼（游碼示值以左邊對(duì)齊刻度線為準(zhǔn)）。7.稱量后要把游碼歸零，砝碼用鑷子放回砝碼盒。天平的組成普通標(biāo)牌天平主要由立柱、橫梁、吊掛、底座和制動(dòng)裝置組成。時(shí)，如果保持靜止或勻速直線運(yùn)動(dòng)狀態(tài)，則說(shuō)該物體受到平衡力（或說(shuō)這幾個(gè)力平衡）。靜止?fàn)顟B(tài)和勻速直線運(yùn)動(dòng)狀態(tài)又叫平衡狀態(tài)。[1]例如，當(dāng)一輛車勻速直線行駛（忽略受到的其他力），則說(shuō)該車的牽引力等于阻力，受到的重力等于
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沒(méi)有及時(shí)發(fā)表微積分的研究成果，他研究微積分可能比萊布尼茨早一些，但是萊布尼茨所采取的表達(dá)形式更加合理，而且關(guān)于微積分的著作出版時(shí)間也比早。在和萊布尼茨之間，為爭(zhēng)論誰(shuí)是這門學(xué)科的創(chuàng)立者的時(shí)候，竟然引起 。
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大的地球造型以紀(jì)念他在科學(xué)上的功績(jī)。不管的生平有過(guò)多少謎團(tuán)和爭(zhēng)議，但這都不足以的影響力。1726年，伏爾泰曾說(shuō)過(guò)是偉大的人，因?yàn)椤八谜胬淼牧α拷y(tǒng)治我們的頭腦。是一個(gè)指引著一代一代科學(xué)工作者前進(jìn)的開放的綱領(lǐng)。但的哲學(xué)思想和論不可避免地有著明顯的時(shí)代局限性和不性，這是科學(xué)處于幼年時(shí)代的成就。當(dāng)時(shí)只對(duì)簡(jiǎn)單的機(jī)械運(yùn)了初步研究。