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4.\u5341\u4e5d\u4e16\u7eaa\u4e2d\u9a6c\u514b\u58eb\u5a01\u6574\u7406\u7535\u78c1\u5b66\uff0c\u5f97\u5230\u56db\u5927\u516c\u5f0f\uff0c\u5206\u522b\u4e3a
a.\u7535\u573a\u7684\u9ad8\u65af\u5b9a\u5f8b
b.\u6cd5\u62c9\u5730\u5b9a\u5f8b
c.\u78c1\u573a\u7684\u9ad8\u65af\u5b9a\u5f8b
d.\u5b89\u57f9\u5b9a\u5f8b
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e.\u9a6c\u514b\u58eb\u5a01\u4fee\u6b63\u540e\u7684\u5b89\u57f9\u5b9a\u5f8b\u4e3a
a.\u3001b.\u3001c.\u548c\u4fee\u6b63\u540e\u7684e.\u79f0\u4e3a\u9a6c\u514b\u58eb\u5a01\u65b9\u7a0b\u5f0f\uff0c\u4e3a\u7535\u78c1\u5b66\u7684\u57fa\u672c\u65b9\u7a0b\u5f0f\u3002\u7531\u9a6c\u514b\u58eb\u5a01\u65b9\u7a0b\u5f0f\uff0c\u9884\u6d4b\u4e86\u7535\u78c1\u6ce2\u7684\u5b58\u5728\uff0c\u4e14\u5176\u4f20\u64ad\u901f\u5ea6 \u3002
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\u52b3\u4ed1\u5179\u529b \u3002
\u7531a=(vt-v0)/t\u548cs=v(\u5e73\u5747)t\u63a8\u5bfc\u521d\u901f\u5ea6\u4e3a\u96f6\u7684\u5300\u52a0\u901f\u76f4\u7ebf\u8fd0\u52a8\u7684\u901f\u5ea6\u516c\u5f0f\u5f88\u7b80\u5355\uff1a
\u7531a=(vt-v0)/t\u5f97
vt=v0+at
\u56e0\u4e3av0=0
\u6240\u4ee5vt=at
\u63a8\u5bfc\u521d\u901f\u5ea6\u4e3a\u96f6\u7684\u5300\u52a0\u901f\u76f4\u7ebf\u8fd0\u52a8\u4f4d\u79fb\u516c\u5f0f\uff1a
\u7531\u4e8e\u5300\u53d8\u901f\u76f4\u7ebf\u8fd0\u52a8\u7684\u5e73\u5747\u901f\u7387v(\u5e73\u5747\uff09=(v0+vt)/2
v0=0,\u6240\u4ee5v(\u5e73\u5747)=vt/2\u4ee3\u5165s=v(\u5e73\u5747)t\u5373\u5f97
s=(vt)t/2
\u800cvt=at
\u6240\u4ee5s=att/2=at^2/2
位移公式X=Vot+at^2/2 简化X=at^2/2
位移速度关系V^2-Vo^2=2ax 简化 V^2=2ax
推论&x=at^2
绛旓細锛1锛浣嶇Щ鍏紡锛氬浜庡彉閫熺洿绾胯繍鍔細s=v骞*t 瀵逛簬鍖鍙橀熺洿绾胯繍鍔細浣嶇Щ鍏紡锛歴=v0*t+a*t*t/2 閫熷害浣嶇Щ鍏紡vt*vt-v0*v0=2as 锛2锛夐熷害鍏紡锛氬浜庡彉閫熺洿绾胯繍鍔細v骞筹紳s/t\ 瀵逛簬鍖鍙橀熺洿绾胯繍鍔細閫熷害鍏紡锛歷t=v0+a*t 閫熷害浣嶇Щ鍏紡锛歷t*vt-v0*v0=2as 锛3锛夊姞閫熷害鍏紡锛歛=(vt-v0)...
绛旓細楂樹腑鐗╃悊鐨浣嶇Щ鍏紡锛歴=v0t+?at2銆倂鍧囦唬琛ㄦ湯閫熷害锛寁0浠ｈ〃鍒濋熷害锛宎琛ㄧず鍔犻熷害锛宻琛ㄧず浣嶇Щ銆
绛旓細绗簩鑺傛椂闂村拰浣嶇Щ鏃跺埢鍜屾椂闂撮棿闅斿湪琛ㄧず鏃堕棿鐨勬暟杞翠笂锛屾椂鍒荤敤鐐硅〃绀猴紝鏃堕棿闂撮殧鐢ㄧ嚎娈佃〃绀恒傝矾绋嬪拰浣嶇Щ璺▼鐗╀綋杩愬姩杞ㄨ抗鐨勯暱搴︺備綅绉昏〃绀虹墿浣擄紙璐ㄧ偣锛夌殑浣嶇疆鍙樺寲銆備粠鍒濅綅缃埌鏈綅缃綔涓鏉℃湁鍚戠嚎娈佃〃绀轰綅绉汇傜煝閲忓拰鏍囬噺鐭㈤噺鏃㈡湁澶у皬鍙堟湁鏂瑰悜銆傛爣閲忓彧鏈夊ぇ灏忔病鏈夋柟鍚戙傜洿绾胯繍鍔ㄧ殑浣嶇疆鍜浣嶇Щ鍏紡锛毼攛=x1-x2 绗...
绛旓細楂樹腑鐗╃悊浼氳冨叕寮忓涓嬶細1銆佸寑閫熺洿绾胯繍鍔ㄧ殑浣嶇Щ鍏紡锛歺=vt銆2銆佸寑鍙橀熺洿绾胯繍鍔ㄧ殑閫熷害鍏紡锛歷=v0+at銆3銆佸寑鍙橀熺洿绾胯繍鍔ㄧ殑浣嶇Щ鍏紡锛歺=v0t+at2/2銆4銆佸悜蹇冨姞閫熷害鐨勫叧绯伙細a=蠅2ra=v2/ra=4蟺2r/T2銆5銆佸姏瀵圭墿浣撳仛鍔熺殑璁＄畻寮忥細W=FL銆6銆佺墰椤跨浜屽畾寰嬶細F=ma銆7銆佹洸绾胯繍鍔ㄧ殑绾块熷害锛歷=s/t...
绛旓細楂樹腑姹備綅绉荤殑鍥涗釜鍏紡濡備笅锛氬寑鍙橀熺洿绾胯繍鍔ㄧ殑鍏紡锛氾紙1锛夐熷害鍏紡锛歷t=v0+at锛2锛夊钩鍧囬熷害鍏紡锛歏=(v0+vt)/2锛3锛浣嶇Щ鍏紡锛歴=v0t+1/2at^2锛4锛夐熷害-浣嶇Щ鍏紡锛歷t^2-v0^2=2as銆傛嫇灞曞唴瀹 瀛︿範鐗╃悊鍙互鍩瑰吇鎴戜滑鐨勭瀛︽濈淮鍜岄昏緫鎬濈淮鑳藉姏銆傜墿鐞嗗瑕佹眰鎴戜滑鐢ㄧ瀛︾殑鏂规硶瑙傚療銆佸疄楠屻佸垎鏋愬拰瑙ｉ噴...
绛旓細(1)閫熷害鍏紡:vt=v0+at(2)骞冲潎閫熷害鍏紡:V=(v0+vt)/2(3)浣嶇Щ鍏紡:s=v0t + 1/2at^2(4)閫熷害-浣嶇Щ鍏紡:vt^2 - v0^2=2as(5)鍏紡鐨勭壒鐐瑰強搴旂敤娉ㄦ剰浜嬮」:鍏紡涓秹鍙妚t,v0,a,s,t浜斾釜鐗╃悊閲,鍏朵腑:涓嶅惈v0:s=Vt*t - 1/2at^2(鐩稿綋浜庡嚭閫熷害涓簐t,鍔犻熷害涓篴鐨勫寑鍑忛熻繍鍔)涓嶅惈vt:s=v0t ...
绛旓細浣嶇Щ鍏紡鐗╃悊楂樹腑鎬荤粨濡備笅锛氬寑閫熺洿绾胯繍鍔細S=vt;鍔犻熺洿绾胯繍鍔細s=V2at2+Vot锛涘寑鍙橀熺洿绾胯繍鍔細S=(Vo+v)/2脳t锛涚蹇冭繍鍔細S=vr锛涙姏鐗╄繍鍔細S=V2gt2+Vot+So锛涜灪鏃嬭矾绾匡細S=e脳蟺(2r-s)锛涙憜鍔細S=A(1-coswt)銆備綅绉荤殑姒傚康锛氱墿浣撳湪鏌愪竴娈垫椂闂村唴锛屽鏋滅敱鍒濅綅缃Щ鍒版湯浣嶇疆锛屽垯鐢卞垵浣嶇疆鍒版湯浣嶇疆...
绛旓細姹楂樹腑鐗╃悊浼氳冪殑鎵鏈鍏紡涓銆佽川鐐圭殑杩愬姩---鐩寸嚎杩愬姩1)鍖鍙橀熺洿绾胯繍鍔1.鍔犻熷害a=(Vt-Vo)/t 浠o涓烘鏂瑰悜,a涓嶸o鍚屽悜(鍔犻)a>0;鍙嶅悜鍒檃<02.鏈熷害Vt=Vo+at 3. 浣嶇ЩS=Vot+at2&#
绛旓細x=1/2at^2; x=V0t-1/2at^2; 2ax=V^2-V0^2
绛旓細楂樹腑鐗╃悊涓棿浣嶇Щ鎺ㄥ鍏紡锛氶熷害浣嶇Щ鍏紡鎺ㄥ 涓棿鏃跺埢Vp锛屼腑闂翠綅绉籚s Vp=Vo+at} Vt=Vp+at}Vp=Vo+Vt/2=骞冲潎閫熷害 Vs²鈥擵o²=2as=X} Vt²鈥擵s²=2aS=X}Vs²鈥擵o²=Vt²鈥擵s²2Vs²=Vt²+Vo²鈭碫s=鈭歔Vt²+Vo²...
