3학년 응용역학 강의노트

Type

Frequency

Comment

Type

Frequency

Comment

A1. 힘의 평형조건(. H=0, V=0, M=0)을 이용하여 미지력(부재력 등) 구하기

Z I I

3. I %

_{18116/18102/182041}

_{117108/117214/16102116116/142061 14220}

Hel

31k¥

HEHE

ol '_{EE HEH EFFI ¥710184}

At -01

_748%81-01

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0142%9-172

C El 860-1271 It 7121 XE ?

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f

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t

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too

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THE

BHI

21-288472 EV = _OCT ; -T -YEAH-4-181 Moment 't

_If

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)

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J

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.

. BEE Moment 't FEEL 21-28812

, HH NITE't EbME " t" _{Z 8h22} EMB -- o C⑧ ) . g -

(300×2)+(500×0)

+ ( soo _{xx ) so} ← _p= soo _kgf old Z

- boot 200 X = o _i

. X =3

MY

Moment 'E

(86×214)

I 01 #

He Z2223 0112

H # _{TIME ¥122}

(

;g-

two

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→ _F. BAEZ EZE

HEI

3 II ①

7k¥21

" t " £12201 Eder. ②

780181

Moment

ft

meaty

③

I 71

d)

Fl

IA

' at

Footstool

'_Ect ' '_YE ' ol '_Ect . Ans ;

12=200

kgf

, X = 3M

Comment

CHIGI

. EH7681 .

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1719111

864

EFFI EE . At - 02 716

Htt

Eet 742171,071 ZHI P71-24%81204

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IN

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T Fi

on

p P or B

A

.

②

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E

pf

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←

T

c

③

P ④

rap

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→ THIEL ¥2404 OILY Elk Od HEI ZHE EE EE .

(

FAF = _FAB = Fl

Bc = Fas' Foz - FEE

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O

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, Eko ) E BE .

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!

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hitt' FAF

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= Faf , af, t

= FAB = Fi Filth Cosboo

P

FAB cosboo

FATT

Fia# 477127 AGE ; V

H

° EH ' OC

#

I HE

.

→

FAB

=

Faa

OLE

849

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#

E

.

°

Ws 30 "

Fit

- FAE Cos 300 t FAB cos 300=0

. ' . FAF = FAB • EV -- OCT P

-T

¥5600

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2170560 =p A p _p Fi = - = - =p 265600 2×0,5 Io _FAF = _FAB= Fl

Bc = Fiori Foz - FEE =P

Ans

_③

FAF = _FAB = Febc = For Foz - FEE

;

Comment

_Itil

_EE'VE _Itt EV 018

At - 03

¥8471111

ELIE

EEE

HEH .OF Holt

¥01

DH

-40¥

.at

. 17h11 201

EE

814

7-71 EH It Eo

EYE

?

①

B > A > C ② C _{> A >} B

③

A > B > C _④ C _{> B > A}

Sol

₎

864 EFFI IIE 01¥

(

EV

-- O

)

.

⇐

Figg

.FI -- E '

#

Fecosbo. P EV -_O _EV = O I V=o - ptfitfi - _o

-ptFws45otFws

tf

450=0 -

p

cosboot Fe cos boo i.

F=E

i.

_q=

#

= 0.1701710

f

F

f-F)

₂₆₅₄₅ 65600 =P

2ft

cos Goo =p 712 )

2740-171101%1

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_EE

_{EVIE 014} . i. Fi

=-D

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c-of

a a _a a

P

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iii.

error . ._. .sn . .ws .ro

'y¥h

If

.

Fiws3o°=Fzws3o°

FEI

FEI

-:O Fi - Fiz

It's too _Light It 's too _Heavy

Comment

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_{EFFI III}

_EEE

At - 04 22£21. # E

42¥04

BD ¥24071

HEHE

84 First El 171k ?

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①

12.5

tf

. . . .. .

:/

Bff

② in.

set

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③

_20.0

tf

' -- - -- -' ✓

I

1300

/

④ 22.5

tf

-Sol

₎

BD ¥2 HEI

¥2429

FIBDEI

2-71 E 481-7191279 864 EFFI EYE 018.

EH =O , EV - o , E 14=0 If " E 14=0 " _{I OLE} . CHE 8121 212-601 EZ VILE He , V-12-3 Vc at 22481 et . EMC = o C - (5×4) t l FB bus box 2) = O

fed

FIBDWS

Go ° °: FBD --

÷

= zoefcodaorzq ,

|¥

Fuzbws

35 →

He

_Pvc

III

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IV =OE 01%81-52 .. . EH=o E 01%8472 .. . Vc -ABD cos 30=0 - 5 t

Tibbs

bottle o - - L DING I L little ] '_{t tf VHH}

012142274.4¥

0112 ZEE IE2-681 't FEET.

HEH

EEE 8471- EM Htt )

Ans

;

③

EBD --

wtf

Comment

_¥4

EFFI III

EEE

At -05 12621. HEE

2722171101¥04

1,000kg

ft

¥71

- DH

-92=19*-4

.

FEI

E'

JEZEBEL

3M

0181-1717194811

A 2128011 FE -827 PE

71-81-2=12 Fleet . FEJES PEI

ZHE ?

① 1750kg f

②

_1,000kg

f

③

1,250

kgf

④ 1,450

kgf

at = _1,000

kff

Sol ) FELIZ 3M 01%81 Hon _Enmity 7--621 CEF It # DE

028£

I

'T

EZ PIT UTAH HE Moment It

¥1,000

kgf of VINNIE Momenta I -7=7171- '

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-of 817 .

I

Mp

= Mw

#

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ME

!!?!

h

④

he, +

Mp

- Mw - o m

¥

:

"

"

④

Iii

::¥¥÷

1,000

kgf

= W %

_p=

=

750kg f

Mw = _-w×3

-w=µo0kgf

782

) Lam TEI

2-621220188142049

. ( FEE27 PIT 71101¥ 27 T 481-71

)

(

fire ALI) " _t" " ¥071 " _{871£ zq} .

p

← o 4

9777¥34

. Laurel Haole . ( _{1,000 SM} 143.13

$90

-153.15=143.130

stnuz.is#=Efoi.P=sTEgxli000--D50kgf

. 1,000

kgf

_1,000 T 1,000 - = - i . T= - Xan

90=1,250

kgf

5Th _126,8M 5Th 90 5Th 126 . 8D

(

71101¥04

2127

-1=1,250

kgf )

Ansi

① 13=1750

_kgf

.

Comment

EDIE

27011 EHZI

OHH

At -06

2-6117476763=110-1

A. C

_2£04

₁₂₁₁₁

.

¥E

86600kg

FEI

HEFTI

Et.

OIEEHVIHEEIE

EDIE

'E ?

①

o ② _146kg

f-

m

③

164

_kgf

- m

⑨

292kg f.

m

Sol

₎

_CIE

_'m

_Moment

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.EE#EKtA2I.C7I,ZEo2foTE4l5tE

Moment 't

to

'8EZk27f8nE

TIME

'_Eet . T)

Ma

=

@ooSTnboX0.2JtCboocos6oxo.4tC6oows6oxoJtC6o0S7nbox0J-lb3.9kgf.n

a)

Mo

=

(

6005in 60×0,1 ) t c

6006560×0,1 )

t ( 6005M

60×0.11+(0006560×0.1)

=

163.9

kgf

. m . , Goo

Xy

6001Gt ! . - . - .

g.

§

. .. .. .. i

q

! ← • I

Ans ;

③

Comment

At - 07

b

N

;HtbZ

Sol ) A

ouHtf27dt

_{132804148¥23}

01 HE '

Iot

OF 819 .

3018£

A rate boo 2467T A 1321-010111184

300kt

÷÷f•

EEE 'VE _{Kote 27101} Folha

III

. .

-Gokyf 3 cos so ° + Go cos 300 = 1717.9

kgf

ZHAI _outEder

.

⇒

4100 -14000 cos O =

179.3722

Pi t PE t _p2. , . Ps. cos O _4000640=2200 2200 = 0,55

(

who

-¥

= 56.630 :. D= cost

(

0.55)

712

₎

Pa R R _a R • Pa

)

_Bano ) 70 > 10 -Pi Pl PawsO ① P, or Pit 4740102 ② that Part 74740101-479 'T Thet _{221176210158 HH} 8¥29 RE 48149.1A . R --

f¥P÷+CPssm#

-R --

TEE

¥07 =

#

, Pie-1219 Paws Ot Pecos 'D -112297 nu

T

= Pit 21712_{cos O} t Ps2(

w5O-S7n6#

_-

. =

Type

Frequency

Comment

A

2 .

Ett

01

¥E 84

Eel

8¥27

If HI C tht Eel

2-621018

)

19118 118220114102/141031

0.9%

A 2-01

248018¥01

7¥E 31 H Eel

8¥27

Rat REI 945-1 X E ?

f f ① 2. Dm

tf

_I

f

③ 3.5M

Lp

f

③

3. Dm ④ 4. om A Etu

Eel

' -'

i 'YEH-E to'RE ¥2 HE #C414171- CLE EET 8¥27

Ray pea x E 38124172

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VTUEEI 2-621" _E 018819

.

2121

K

OTE ₈₁₂₁₁ Fo EZ _{8¥27 112101 VII.GH 71k Moment El 771}

)

)

= 74741186117 , Dz .... ) Eq tf Ky Htt 'E Momento 1771 " ° V-t2lk.CI _2--621 018.81-714181-07 8¥27 RE 0174481ft .

t hot Est , 81-81-27--3 7728811 EE El8184.01

8¥27

1201 Elect

.

-↳

EV _R

EV = _{R ; 200} - 1700+300 = - 200

kgf =R(8¥27

₎

( ZHE _LEZ Zoo

_kgf

₎

"

THE

otter 'd

14=7431-0-184011481

M" t tht Eel 2-621 Olf c-_I

Hey

R

9

(

zoo × x

)

= -

(200×2)+(1700×5)

-

(300×8)

= 1700 o

okgft¥gf%wgf

200 . X = 1700 . . . X - 3.5M

J

y ' (_Koff)C m₎ C left. m) Ct) _Ct ) . 7471548601 ' O' HE 71 EEZ

VII. hottie 21229CM₎ TITI

P,

e¥i¥

,

HAH _{VITE 2121}

Comment

Cft're Al

₎

THEb o at EVITE_ol ¥E 84Eel EFFIE

7621,4

EH ₌O

, EV

=o , -214=0 I 018 !!

(

864

EFFI ol 01401212=1 DE OIEHOIEEI

EJE

OTE9421011 HEH # Of 8177T?

₎

21

EV = _O

, -214=0 ,

IM =D "

t 764011 EAU - 17hDI ELI FE OLE.

Foot

8121

E

Momenta

¥¥EZ

EH (40×1)+180×2 ) - (30×1.5) -

(175×(1.5-171))=0

200 - 45 - 112.5 - 17571=0 17571=42.5 . ' . X - 0.517M C BootEd HEFEI 2.017M

)

I

firs

Ay

°

71.8018101

'

EE

Ef

Eel

¥27

REI THIEF

INE

481-27

DE U- tuk El

762101¥

p8¥27 Rot VttbHtEM " EV -- R " ,

=€M

( If P,,Pz... {ol Vt' -tf Htt EM ° 71501-21 915-1 71¥ .

(50×0)+(500×1.5)

t (200×2.5) +

(300×3.5)+(1700×5)

= ( 50 -15001-200+300+1700 ) .X . 5800 = 11750 X ) ) .: X = 3. 3M C

7101-21415-1242)

: . R -1,1750N

Comment

b- THE 't

7821018

.

AZ - 02

8¥

Rat

07¥

EZEEI

REI

HE

771-7147121 XE ?

90N 30N _{DON 50N}

HEY

ex , I # 2M IM Im 2M Sue.) it

¥27181

.

E) Eliot

. = 1218¥27

₎

°

-901-30+170-50

= R i R=

-040N

↳

Eliot.EE

40N

HUE EIN !

EMMY

REI EEE HH 'd 7. EGHAM .

"

.

→ _Eta

out ENHE Rat- XU 0t8EE

° 021 outline " 8¥27 otter 'd M =

¥27011431

M" EIGHT - Nutt . ( 40 xx ₎ = -

(90×3)+(30×1)

-(70×1)+(50×3)

4071=-160

a: X= - 4. om a: X -- 4. om C0230114

3t¥IZ

)

12=4 on 90N 30N DON

100N

*÷H

IF 2M IM Im 2M

Type

Frequency

Comment

A 3 .

7787101

'_EE

_EEE

_{I FEEL 281-71}

15309

A _3-01

22621. IEE solo

Eel

8¥27 Rot 171ft

HE tt8EE

?

f TA

260¥

12

Ls

x 210 _kgf 300

Igf

Sol

₎

_ERIE

¥71171

318018¥01 the

3748448¥27

_E

₃₈₁ .EE Eu

①

714%10171-712

ELE X VITE HEH _{8£11 8¥ESE}

4819

- : XR

②

714%10171-712

ELE

gtfo

Ho

_{Eel Ebel}

FIFE

4849

-i

yr

③

Xrtt

_Yr

I

8¥27

Rdf

HE to

8E O

E 4819

. • 7 _THI

_HE

_XIs

_It

y

}

It 860-2

¥218451

'

_EE

_{htt 814} E7714 Effect . t . - E Zou Fei !! .

4

#

260 cos

H

'

2¥23

=

¥260

kgf

*k

cos o--

if

, cos o

-If

€1

wows 30

¥

= , 13 X = 260' 5 300 cos ₄₅₀ o: X = 260 .

-5

13 ① XVIII I EEE EE

If

819- C

E)

-

(

260 _x

Tty

)

-

(

300 _x cos 45

)

t ( no cos 30) = 130

①

. 20h kgf = 130,269kgf CK)

I

"

-XVIII

'

Comment

②

_{yttioot.cl 5¥27}

(

_260×432

₎

-(

300 5Th 450

)

-

(

210 5Th 300

)

= -191,2kg f- =

191.2kg

-

f

C

b)

③

37 HEIKE 't

8¥27

Rat 215

EVITE

_O

: R --

Eto

" " "

%

#

,_gong, = 230.2kg

f

' : L..- -.. R 130 - Koff cos O = - ← 230,2

(

: _o -- cost 55.60 55.60 µ ,

,gf

R II

230.2kg f

Ans. R = _230.2kg f , D= 235.6°C 180455,60 ) → t _{¥71 #} VILLA VISE

Type

Frequency

Comment

A-

Ll. 82-601 '_EE

86€01

EFFI toEH all ELEEM Eat C860-1271) FEHL C Lam

_{-10-12-621018}

₎

117320/16320/15215/14106

87601 Hee 37HEI

Eol

EFFETE HE 9TH 81-24 DE Zdnet Et HIT OT

_EEN

0140727

Of 81371 ?

All - 01 ACETBCE Cable 4240kt

. C oh

lotfel

81¥01 31%81 Earl

¥2427 Facet Fisch

?

FAI

Ef) FBC

Ctf

) -

①

10.0

8.66

I

1300 _Got "B ② _{8.66 5.0}

\

③

_5.0 Abb C .

I

④ 5.0 117.3 wtf F

Sol ) CHOE 71¥12

HIZEN

EE

124 EDE 87601 '_EE

_3711486%1

_{EFFETE HE # 181-2=1}

DE qae

CFI

Bc 8h11 Et Htt OT

_EEN

81321001121817241065

0140727

Of Ottokar . ,

wot

) 1500 & "

817¥04

EZE htt I Eft ,, → Lam Tel 764 01¥ !!

I

10-41-0

=

IE

= 5Th 90 5Th 1150 5Th 120 .:

Fac

=

0

. 10=5

tf

m. 5Th 90 ! _{Faze =}

s

. 10=8.66

tf

5Th90

÷

if

Lam Telmo21 → EE " 000-17--621" EE at 0181-171-0124-4- !! → _{ETE 2262T} FEZ 01848kHz . .. -AO Ans.

③

Comment

Lam Toy 2-621 IE AQ - 02 Exist Trod 771171 - Holt

¥01

2-621 EHOTI ELEA.

0129

RBG- DAE ?

CEI

,

VIDE

GHEE

GH

)

① 1213--0. 806 Trt , PA = 0.57717 Tf ② RB = 1.155 at . PA = 0.5dg It → ③ RB = 0.866Gt , PA =

0,86604

@ FB = 1.155 FT _, PA = o. 806W Sod

)

4771 -W-

71-40-14711%801174181

- IZ

¥3

' ' O' ' 28011 37 HEI 8601

Eto'RE 01307

HE

'VE That I_Eet

. • Laputa 2-621 01€

I

= 57N 120 _{5Th 90} °

I

Tooo

' ' . RB =

°

- To = 1.155W RB I 5Th 120 ' i ! i ! W

Pa

i - = -i 6 _{57N 120} 57N 150 i. _p=

€50

_w =

0.517MW

W

A 5Th 120

Ft

,

1500

•

"

"

TTR

1200

_,

III

)

3M

_1-1-1

4M " -A .. .

)

zm Oc = tant (

¥

)

= 36.90

Bf

On. = tan I

(3-3)=45

P _↳ 7+071-724 EM 7121 _E¥EGZ.... Ans.

②

Type

Frequency

Comment

A5 . at 271171-747--117701 EZIEEIOT

HE

EH

18320/117219

A 5-01

EH

,

AE

Kool - LHEEH THE 8D

86

PE ? ( Et,

¥2711

- 210¥11

Dlitt

#

HIM

-0.3

)

①

Gkgfoltot

20kg f

②

_12kg

fol

③

_lbkgfokot

§#q#

④

_24kg

fol

'T'

Sol

₎

AHHH

AIMEE

"oEHtI2q

Vax

at

_'aIHI4µ

"

_I

¥8

HIDE

PEI

7410181512

8744204

tuft

86

CPIEIIHE

48140kt

.

• -2140=0

EFFI IIE

01%81-07

A

Effort

¥81

- EEG 2-3 um

zokgf

I ± "

_Etta

-

CF

. WH

UAE

Today

1¥

' EM . -- o °

##

(20×30)

- C Vax 101=0 i: Va =

60kg

*

_VA f

CF

)

E.

HEHE

EZE 8601

60kg

f

01260-101 . "

p

) Va_.xµ " 2710101

HEHE

HEE'T Hot . i. _D=

60×0.3=18

Kgfol

To =

Iookgf

EILEEN , "'

¥4

→ P . :p = 100×0 . =

okgfoygiq-y.gg#zeytEVFftFE0lEE8d

catamite

₎

(

,

iooegfe

.me ,

,o

, ⇒⇒ get .

)

" " ' " at

_¥29

"EE" "

_%

.

[

_{It '7f7al4µ=O} - HOI Ans .

③

Type

Frequency

Comment

AG. EE 241 EEE ¥241 16219 EZZTIEI VI 29, 71101¥ 2129 EE 481.E ¥241

12621

- HEE EZ

24172¥

OHH PEI 271k

?

←

Lp

Sol ) Ezztiotl 712444£ Cable 01 JIE 7IeE8tE

ELLE

01848 Hof Ztet

EZZTIE Cable oil . tatty Ed810E IEHZ 22-981-71 EMILY Cable

El 7- Echl 21771OH Eh D= TH - Etat . ' .

÷

if

. '

"

"

. T =p

° To 71- FETE 412101114 Eel EFFIE 22781-02 CFoto At)

Thos

E

y

Taos

-8

EV = o C 4⑦)

q

- htt Twos

-5

t T cos

-8=0

I

c- → _{2. T cos} = To

woo

. T = -2

WSI

III) EZZTI 2121 OH 011 a _{87128621 £712 ?}

K Fi Fe

"i

.

÷i÷÷

. . Tw so T =p I V 't EV To IV ⇒ i. Fe =p i . Fi = Ttp =p i. Ft Tano - P = _o FIE p - Tenno = PCI - since) :. Fi = pcl - SMO ) Ahs .

①

Type

Frequency

Comment

Bl . -40921

EYE

381¥ EHC -40'd IIT Moment ; G

)

18181 1172021 162091 15109/15219/153191

EIDE III- M 01%81-07 E' ¥481. E ¥711

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134

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221-4211-6

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