文档内容
G
V
~
~
~
V
~
vE
FLEIAIAY
~
FI = G = 750N
-
:.j
Y ESEN
-
EFE3 < GE3E
.
~
9800 W= -P · t = /60W-112)x 200s = 98005
99
&Fettt
,
②F*
FEAY
1176x108
Fir = GH = MFFFg = 1. 2x104 x 103kg x 9 . 8N/log
= 176x108N
~
pr
St46x107 HEEFX
TSTA
3. 2x10S R
=
y
32x108]
=
Ed FEEd
~
V
t ty
<
#
1 :7
&Rh SYPanax = R , = 2Ro .
tE]EFAIT
,
#
210
Wo
*TFEVo IR FRE
, , .
DO 1)Rite
o = - - ,
V
#FFEtt112,IRFEA
FIFFFFL FrLz FEAT
FITE =
,
,BETE,
2 Mo
,
#11- IG
F
.
IE 1 2 : THEART LEFFE
. .
# 3 4 :TFS: HART THEEE
. ,
# 1
.
4: LYTEK
,
thE EFFE
:.E .LTEFERIE3
.42x105J
Ra = CmMOt = 42x10*T/(kg : ·C) x 5kg x 20% = .
11) W= Pt = 5 kWx2s = 104J · (2) WA = Wis . H = 10" > 60% = 6x103] .
=
G
===
Rimax 202 3x10N
. = .
i
20 E
b. I = I- XI= 0.5A 06A
. .
R E
= =2412
.
12
+Ri = Ri-Ri
= (RitR2) - (RitR2) = R - R = 41
.
Fig= GE
#04kg
F =g=PgUFEE
=
3.92N.
12) Ph = Palight = P = 10 kg/m x 98/kg =784pa
.
M=Ma
.
3) P=M Mikz=Pak - Vike =P .K. Sok. hot
[ -
= 3.6k9
P2 = G+ GGMP =p 1 2 .My=3kg
Sz : to = z0min.VI < Vish
:.V= 15)
: Uo = Uc =/V
1.5
I = 0. 16A . i . USB1 . 5V
FA3V :· TRpEge
E
GBFETlkTEREF
i If RpN
.
↓ ...BCT
EREB
.
EGAt . VL = V = 2-5Vi: RACPE-F .
=
13) Th= = 0. 2A .R = 12.5
(4) I = =exTotso
= 0.17A < 02A PER.
