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1.“摩擦力大小的因素”實驗 2.動能大小因素 3.勢能大小因素 4.壓強大小因素 5.歐姆定律 6.探究杠杆平衡的條件(F1L1=F2L2) 7.電磁鐵磁性大小因素 8.電熱大小與什麼有關(Q=I^2Rt) 9.滑輪組機械效率與什麼有關?(動滑輪重和提升物重) 基本上就這些了,好好背啊~~~望採納:)
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