Esercizi vibrazioni di Meccanica applicata alle macchine

DAT I

M 3Kg

=

I R Somme

=

E BG

B

A 5

0

=

= me

.

U KN/m

K 30

=

g

A 1

C

· /

- E

O

* o

2 I

450

7

?

· wm (Sing corom1)

O infimetesimo ~8 ,

E

Mg ↑

- & 1)

# 8)

B Feze

Feze

298 (45

Mg +

sem

- -

a

& (45 9) O

Fs e sem CimA

+ + =

* -

F922 A

Cine

↓

- - -K(-20) Keo

Fel -KXB

RAX

a :

:

Es =

# ·

A Ke8

-KXBV

~ Fez K8B/

RAY : =

= 2

2

V

6)

(45 : C0545

45 Samo

Sam

+ Cos

Sem + :

-

.

-CXBE) Eces

Fr -CB11 = -

= -IA

CimA = EMR 42M

(22)2

IA M

IG +

+ =

=

Rgzeo-Ke28-Eke)

: . ceok-Ta :

8 gretke)-

-ceg +

&

↓ C99

29

m .

. 3/2ke2

Kea -M822 +

Wre .

= MR2 422M

/2 +

meg

E

!

Carit >

· = -7/2CCRIT92-

CEACRIT

E 7

= a

- mea

2wm

CRIT . zwm mea

4 Wm mea

(CRIT =

>

- 2

e 3

Sim

· 25

c CCRIT

0

= =

, .

3 SOTTOSMORZAMENTO

25 A

0

- , jwm5t 4)

8(t) Sem(wot

60 +

= .

. 1-52

wolzum 31

(P)

&

87 00

Sim Sem :

:

:- ·

wist

-

Zum3e

SH1 M

Sam(wolt

90 +

= ·

34 N)]

zwm

- Cos(wat

wd +

·

60wmJramPtwdcoS4)

St & o

: :

0

= %

osamP Orm

= :

5tgtwd toP

· wa -

=

On

So mey

: DA T

Yo Kg

12

M

1 mm

= = N/m

C

AB 35

200mm K1 =

=

= SONImm

K2 TOONS/M

C

= =

F J "

* c Fez

o *

I

- B O

E I

A

40. S Cim O

I

· .

I

x O

A * · Mo

FEL

Ke8

Fez -Kyx =

= K2e0

Fe2 -K2xC =

= 8

F5 <YB 2e

- =

= 8

Cim o -10

= .

, M(Ve) :

"Me Me

MÖ

↳ +

16

10 + =

= Ö

Cim -2/3 Me-

=

-Fera-FSB-Fez9-[Mej-Mgb 9)

· (45

sem +

: .

Eg

-Kzeg-ces-K210-Zröe t Mg rig

+

- .

tatIc

= &

GetkzeMg)

ce

=> Reö +

+ :

-

1 Kep

29

29. C

.

M .

. -

Kea K22-2Mg

Keq KTe 76940N

+ =

:

wrm s -

mea

694 A

1 29d/5

9

102

Wrm = = ,