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八年级物理下册第一单元《力》练习题(已排版可直接打印) - 百度文库

Դû ʱ䣺2025/5/24 9:44:12 loading ƪĵֻ
˵ݽԤݿܲȫҪĵҪݣwordʹáword΢ź:xxxxxxxQQxxxxxx ܸṩĵл֧½⡣

C. ܵСg D. ܵһ²ؼ

25м10 kg̣ȷ ( )

AGmg109.8 Nkg98 N BGmg10 kg9.8 Nkg98 N CGmg10 kg9.8 N98 N DGmg10 kg9.898 N 26û˵вȷ ( )

AˮҲٲ Bһ뿪Ҳز C彫ʧȥ Dˮ

272002 12£ҹĺɴΪ˷н˷ʵ顣ɴڹʱڡʧء״ֻ̬Уĸʵ鲻ڵһУ

Aÿ̶ȳ߲ⳤ B÷Ŵ󾵿 Cƽ澵ı· DõɲƲ

28У

29й˵ȷ ( )

AĴСõɲֱӲ Bķֱµ Cϵõ Dĵλkg 30ͼʾб5 kgܵ. 31 (1)Ϊ̽gĴССͬѧѲͬ ڵɲϣֱǵĴС Уÿıֵ ʵݣóĽ_________________ (2)ѧҵľȷgֵǹ̶ģڲͬ ĵλãв죮±ΪͬеgֵС ۲ṩݣش⣮

9

gֵͬijǣ_________________

gֵǣ_______________________ Բgֵ仯ԭǣ________________ .

32.500 g壬ܷòΧ0~5 NĵɲƲȡg10 Nkg

33.һܳܵ2.0104 Nܲһ10鳤2 m1 m1 cmĸְ壿

Ѹ=7.8103 kg/m3ȡg10 Nkg

34һΪ1kgʢ10dm3Һ壮ֽڵɲ²Ϊ88.2NҺܶǶ?

10

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