八年級(jí)物理上冊(cè)第01章 《機(jī)械運(yùn)動(dòng)》易錯(cuò)題整理

12311121112專題訓(xùn)練《械運(yùn)動(dòng)》易題整理12311121112一選題共16?。〢15cmBC2500mmDA15cmABC250mmD2m2000mmDALLL6.80cmAL6.80cmBL6.80cmL6.8cmCL6.81cm0.01cm

DL6.80cmAL6.80cmAB06.8cm8L6.80cmL6.8cmCL6.8cmD6.80cm6.80cmD70ABCD1.5BB1mm25.66cmA25.455cmBDL25.46cmB第頁(yè)共12頁(yè)

專題訓(xùn)練《械運(yùn)動(dòng)》易題整理BAC

BDABDABCDAB1

DDDA

B

C

D第頁(yè)共12頁(yè)

專題訓(xùn)練《械運(yùn)動(dòng)》易題整理2B0mA

BCD60mDABCDtvtA05sC

B6sDAstAB5s6sC0vtCD5s2.0m/sDAAC

BDABD第頁(yè)共12頁(yè)

1111111bc專題訓(xùn)練《械運(yùn)動(dòng)》易題整理1111111bcACC11A0tCt

BtDt解ACtvstACBDtBDD26astAC

BDa6ss+2m甲ss2m6m2m4mv甲v1m/s

s8mvbs8mvcs6mtcv第頁(yè)共12頁(yè)

1.45m/s

1211212專題訓(xùn)練《械運(yùn)動(dòng)》易題整理1211212cstABDCCABBv9vsssA54B8C11DSVCSS

A15m/s20m/sA17.5m/sB18m/sCDs15m/svt20m/stv平均v平均

18m/sACB0km/h40km/h50km/h第頁(yè)共12頁(yè)

12112專題訓(xùn)練《械運(yùn)動(dòng)》易題整12112甲乙Avv甲乙

Bv甲乙

Cv甲乙

Dtv甲

44.4km/h2tvt40km/hkm/hvt50m/s25tkm/hv乙12vvC甲乙10m/s20m/sAC

B200mDA10m/s20m/sAv''t''BC、v

20sv

13.33m/sDB二實(shí)探題共4小題）1

cm20.1s307.5第頁(yè)共12頁(yè)

專題訓(xùn)練《械運(yùn)動(dòng)》易題整理0.5cm0.1cm02.80cmL2.80cm265min1s.1s7.5s307.5s0.1307.51ABA100cm0.83m/s2

v/cm/s

vcm/s

tv第頁(yè)共12頁(yè)

專題訓(xùn)練《械運(yùn)動(dòng)》易題整理20.8313.40cm20.72cm0.72cm

cm

cm

31mm0.92cm33.40（20.73ABC1v第頁(yè)共12頁(yè)

ABABABABABBCABBCBCACABABABABBCACABBCACAB233專題訓(xùn)練《械運(yùn)動(dòng)》易題整理ABABABABABBCABBCBCACABABABABBCACABBCACAB2332345S

cmtv256BBABv7vvvvvvv3451cmtv6Bv7vv40.025vvv三綜應(yīng)題共5小題）2m

kg/m

0.9cm/s15m/s2kg第頁(yè)共12頁(yè)

122﹣3333323專題訓(xùn)練《械運(yùn)動(dòng)》122﹣3333323vtt111.1s

2V12.510

2.5

mV10kg/m10m495m25s235sv108km/h2t3t24.2h315min1km/h233.5m第10頁(yè)共12頁(yè)

12專題訓(xùn)練《械運(yùn)動(dòng)》易題整理12v2vt0.5h3s3.5m+9.5mv9.5m1.3s20.5h39.5m1.3s09km5min12v18km/h5m/s甲v乙21min1mintvt乙甲4m/st+60stt240ssvt5m/s