《八年级物理全册第十章第一节科学探究：杠杆的平衡条件一课一练基础闯关1》由会员分享，可在线阅读，更多相关《八年级物理全册第十章第一节科学探究：杠杆的平衡条件一课一练基础闯关1（8页珍藏版）》请在金锄头文库上搜索。
1、?p?$ ?J?J?h?瘂?0?29X岰,?岰 ?岰?VJ?ppZ-d?RRR?RRRRRR褃fvzgFg剉sa坅g鯪 瓔脋筽 gFg蔛擭亯 1.NRsQ嶯gFg剉郠蛓魦誰-N Ncknx剉/f0(00) A.gFg颯錘/f魐剉,_N颯錘/f/_剉 B.gFg剉/e筽N歔(WgFg N C./e筽颯錘(WgFg N剉鸑UOMOn D.汻聛N;枦R聛KN孴N歔I嶯gFg暒 0銐恎0 怐0gFg颯錘/f魐襤,_N颯錘/f/_騠剉,Acknx;gFg諂wl彣R剉筽隨/e筽,/e筽N歔(WgFg N,颯錘(WgFg N剉鸑UOMOn,EeB0C龕cknx;S_汻孴;枦R NNgFg俉魐鰁,汻聛孴;枦R
2、聛NgFg N蛻T,R汻聛N;枦R聛KN孴 NI嶯gFg剉暒,EeD?Ee 怐0 2.(2017?)n轢-N)f(W c婼_fN:g剉N筽絜燫婼汻,fN:g墧eQM筽N筫剉竳ag-N,齹cknxh?y諲O(u鍕fN:g鰁剉gFg:ya/f0(00) 0銐恎0,g槝錱gFg蔛vQ擭亯 0nc颯鍂,S_ c婼fN:g鰁,vQO諂wfN:g鎉箯剉鶹歔筽l彣R,sS:N/e筽,b c婼剉N筽,sS汻O(u筽,筫TTN;艌剉irSO鵞fN:g gN*NT N剉;枦R,鍕筽1/f;枦RO(u筽,;枦R剉筫T/fT N剉,Ee 怉0 瓔脋筽汻聛剉O 3.(2017?詾NWS(嵗h)鲖(W-N;u鶴$N*N汻
3、剉汻聛0 0銐恎0,g槝錱汻聛剉;u誰01uO筽TF2剉O(u縹_俉縹,俉縹祂剉暒:NL2,1uO筽TF1剉O(u縹_俉縹,俉縹祂剉暒:NL10 THh:俌b:y 4.(2017?U?N)(WvzgFgsa坅g鯪鰁,O?_騠gFg(W俌b:y剉MOnsa?鲖;u鶴;枦RF2孴;枦R聛L20 0銐恎0,g槝錱汻聛剉;u誰0鎉x鵞gFg謟魐TN剉蒪汻/f汻F1,R骃x鵞gFg謟魐TN剉蒪汻/f;枦RF2,;枦RF2剉O(u筽(WgFg N,筫T謟魐TN;1u颯鍂O筽/f/e筽,;u鶴;枦RF2蔛vQ;枦RO(u縹,蜰O筽T;枦RF2剉O(u縹O俉縹,/e筽0R俉硩剉輱粂1/f;枦R聛L20 THh
4、:俌b:y 0000000000 0f?f鱩f?y0;u汻聛鰁剉8翂1Y飲 (1);u汻聛鰁,魐/e筽N汻剉O(u筽迯0 (2)蜰/e筽T汻剉O(u縹O俉縹鰁,oh鑜俉魐&鱏0b汻聛N汻剉O(u縹 N俉魐(購_N/f寶翄汻聛;u梍/f&Tcknx剉漁nc) (3) g汻聛h鑜鶴egboh鑜汻聛0 瓔脋筽gFg剉sa坅g鯪 5.(2017?5?n-N)(WvzgFg剉sa坅g鯪剉瀃寶-N, (1)俌2ub:y,:N哊OgFg(W4lsMOnsa?擽鍕T_( 恔X 鎉 b 骃 )鹹骃飠剉簢蚹0 (2)瀃寶鰁闟 g10*N鴙T剉x,gFg N蟢en(W0Wb楒e,蒪Fg颯wOgFg,N汻聛/f;枦R
5、聛剉5 P,鍌fNS蛻:N60N,R(W奲Kb N(u汻T N衏w嶖e剉蒪汻:N_N0 0銐恎09hncgFg剉sa坅g鯪F1l1=F2l2颯梍,F1=,郪:N汻聛/f;枦R聛剉5 P,sSl1=5l2,RF1=12 N0 THh:12 俌b:y剉翀竳R,O:N/e筽,;u鶴汻F剉汻聛l0 0fu陙T0 0Ye筽膵0 $曪?W奲/e筽0R汻剉O(u筽剉迯縹S_O汻聛l0 a$曪?W奲汻剉鯺暱 N汻剉O(u筽0R俉硩剉迯縹S_O汻聛l0 0cknxTHh0 PAGE PAGE - 5 - ?8!:!h!j!?BDFJLprt襻择将裨裨爥择裨駕裨駅襻駅狁k駅狁k襻?h?hF?6丱JQJ乤J h?h
6、QA?OJQJaJ o(,jgmh?hQA?OJQJUaJ mHnHuh?OJQJaJ o(#h?hQA?OJQJaJ mHnHu,j抏h?hF?OJQJUaJ mHnHuh?hF?OJQJaJ h?hF?H*OJQJaJ o(h?hF?OJQJaJ o(&tvxz?f#h#j#l#n#?磉踢窟看澘邖嵾峿嵾嵾j遾嵾嵾嵾W呖$j)h?hF?EH?OJQJUo($jOh?hF?EH?OJQJUo(h?hF?6丱JQJ乤J h?hF?H*OJQJaJ o(,j埳h?hQA?OJQJUaJ mHnHuh?OJQJaJ o(h?hF?OJQJaJ $j?h?hF?EH?OJQJUo(h?hF?OJQJa
7、J o($jl?h?hF?EH?OJQJUo(?$0$2$4$6$8$:$D$F$H$J$L$N$V$X$?褛然瘾窕敾嗰嗰o粏駟瘾瘾駟駟馲?,j费h?hQA?OJQJUaJ mHnHu,j胜h?hQA?OJQJUaJ mHnHuh?hQA?OJQJaJ o(,j#?h?hQA?OJQJUaJ mHnHuh?hF?6丱JQJ乤J h?hF?OJQJaJ #h?hF?OJQJaJ mHnHu,j鮁h?hF?OJQJUaJ mHnHuh?hF?OJQJaJ o($6$:$H$L$Z$? $dha$gdq6?$dh4$a$gd? $dha$gdKy $dha$gdQA?dhgdF?%(%*%4%6%8
8、%:%B%D%H%J%矜厣景枓帳剘剘抰ntctn帳枓帳?h?0JmHnHu h?0Jjh?0JU h?F0Jjh?F0JUh?h?Fjh?FUmHnHuhzJ%jhzJ%Uh?h?QJJaJ$o(h?h?OJQJj?h?h?OJQJUh?hjH*QJaJ o(h?*QJaJ o(h?h?OJQJaJ,o($?%8%:%Z?皞. 捌A!皀皀#悐$恘%?癝班惄n痖D+巶c韐i龐R?塒NG IHDR?B?sRGB?gAMA睆黙 cHRMz&?u0阘:?p満Q蹩?蹇鼦?唧它?y濘暛Y?譡*Fm璿試/4謫翖鶬?鸼o_丒X伝Xm鈔桷艵X丒噱括Q闗慾v眓T 9J燓?鷱?赀?邕鼪蟑蹩阓轶;黖耋/卡+?z漑_M_?mr棛f鐴k?蹇?鸳欳箕砜掌j炜?灦|%艞攊5?E t燒,嬂?,嬂?Xm釫纍
