乐乐课堂八年级下册物理知识点有什么？ 初二物理知识点有哪些？
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\u6e29\u5ea6 t \u6444\u6c0f\u5ea6 \u00b0C
\u901f\u5ea6 v \u7c73\uff0f\u79d2 m/s v=s/t
\u5bc6\u5ea6 p \u5343\u514b\uff0f\u7c73?? kg/m?? p=m/v
\u529b\uff08\u91cd\u529b\uff09 F \u725b\u987f\uff08\u725b\uff09 N G=mg
\u538b\u5f3a P \u5e15\u65af\u5361\uff08\u5e15\uff09 Pa P=F/S
\u529f W \u7126\u8033\uff08\u7126\uff09 J W=Fs
\u529f\u7387 P \u74e6\u7279\uff08\u74e6\uff09 w P=W/t
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\u2461\u516c\u5f0f\uff1a 1\u7c73\uff0f\u79d2\uff1d3.6\u5343\u7c73\uff0f\u65f6\u3002
\u4e09\u3001\u529b
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\u91cd\u529b\u548c\u8d28\u91cf\u5173\u7cfb\uff1aG=mg m=G/g
g=9.8\u725b\uff0f\u5343\u514b\u3002\u8bfb\u6cd5\uff1a9.8\u725b\u6bcf\u5343\u514b\uff0c\u8868\u793a\u8d28\u91cf\u4e3a1\u5343\u514b\u7269\u4f53\u6240\u53d7\u91cd\u529b\u4e3a9.8\u725b\u3002
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1\u4e2a\u6807\u51c6\u5927\u6c14\u538b\uff1d76\u5398\u7c73\u6c34\u94f6\u67f1\u9ad8\uff1d1.01\u00d7105\u5e15\uff1d10.336\u7c73\u6c34\u67f1\u9ad8
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1\uff0e\u6d6e\u529b\u53ca\u4ea7\u751f\u539f\u56e0\uff1a\u6d78\u5728\u6db2\u4f53\uff08\u6216\u6c14\u4f53\uff09\u4e2d\u7684\u7269\u4f53\u53d7\u5230\u6db2\u4f53\uff08\u6216\u6c14\u4f53\uff09\u5bf9\u5b83\u5411\u4e0a\u6258\u7684\u529b\u53eb\u6d6e\u529b\u3002\u65b9\u5411\uff1a\u7ad6\u76f4\u5411\u4e0a\uff1b\u539f\u56e0\uff1a\u6db2\u4f53\u5bf9\u7269\u4f53\u7684\u4e0a\u3001\u4e0b\u538b\u529b\u5dee\u3002
2\uff0e\u963f\u57fa\u7c73\u5fb7\u539f\u7406\uff1a\u6d78\u5728\u6db2\u4f53\u91cc\u7684\u7269\u4f53\u53d7\u5230\u5411\u4e0a\u7684\u6d6e\u529b\uff0c\u6d6e\u529b\u5927\u5c0f\u7b49\u4e8e\u7269\u4f53\u6392\u5f00\u6db2\u4f53\u6240\u53d7\u91cd\u529b\u3002
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绛旓細鍏勾绾т笅鍐岀墿鐞绗節绔鐭ヨ瘑1 鍘嬪己 1.鍘嬪姏瀹氫箟锛氬湪鐗╃悊瀛︿腑锛屾妸鍨傜洿浣滅敤鍦ㄧ墿浣撹〃闈㈢殑鍔涘彨鍋氬帇鍔涖2.鍘嬪姏鐨勬柟鍚戯細浠庡畾涔夊彲鐭ュ帇鍔涚殑鏂瑰悜鎬绘槸鍨傜洿浜庤鍘嬬墿浣撶殑琛ㄩ潰銆3.鍘嬪姏鐨勪綔鐢ㄧ偣锛氬帇鍔涚殑浣滅敤鐐瑰湪琚帇鐗╀綋鐨勮〃闈笂銆4.鍘嬪姏鐨勫ぇ灏忥細鍘嬪姏鐨勫ぇ灏忚繖涓绱犲垯姣旇緝澶嶆潅锛屽鏋滀竴涓墿浣撴斁鍦ㄦ按骞虫闈(鎴栨按骞冲湴闈)涓...
绛旓細鍏勾绾х墿鐞嗕笅鍐岀煡璇嗙偣褰掔撼绗叚銆佷竷绔犮婄數鍘 鐢甸樆銆嬪涔 鐢垫祦 1銆佺數娴佺殑浜х敓:鐢变簬鐢佃嵎鐨勫畾鍚戠Щ鍔ㄥ舰鎴愮數娴併傜數娴佺殑鏂瑰悜:鈶犳鐢佃嵎瀹氬悜绉诲姩鐨勬柟鍚戜负鐢垫祦鐨勬柟鍚;鈶＄數婧愬閮ㄧ數娴佹柟鍚:鐢佃矾涓數娴佹槸浠庣數婧愮殑姝ｆ瀬鍑哄彂,娴佺粡鐢ㄧ數鍣ㄣ佸紑鍏炽佸绾跨瓑娴佸洖鐢垫簮鐨勮礋鏋佺殑銆 鐢垫簮鍐呴儴鐢垫祦鏂瑰悜:鐢辩數婧愮殑璐熸瀬鍒扮數婧愮殑姝ｆ瀬2銆佺數娴佸己搴:琛ㄧず...
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绛旓細鈽 鍒濅簩鐗╃悊涓嬪唽鏈熸湯娴姏鐨勫涔鐭ヨ瘑鐐鎬荤粨 鈽 鍒濅腑鐗╃悊璁＄畻娴姏澶у皬鐭ヨ瘑鐐瑰綊绾 鈽 鍒濅腑鐗╃悊璁＄畻娴姏鐨勭煡璇嗙偣 鈽 鍒濅簩涓嬪鏈熺墿鐞娴姏鐭ヨ瘑鐐 鈽 鍏勾绾х墿鐞嗘诞鍔涘熀纭鐭ヨ瘑璁粌 鈽 涓鐗╃悊娴姏鐭ヨ瘑鐐 鈽 鍏勾绾т笅鍐岀墿鐞浜烘暀鐗堢鍗佺珷娴姏鎬荤粨 鈽 鍒濅簩鐗╃悊涓嬪唽閲嶇偣鐭ヨ瘑鐐规荤粨 鈽 鍒濅腑鐗╃悊娴姏鐭ヨ瘑...
