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Mehanika 2

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2 (: .)1. :

2. ( ).

3. ( , , ).

4. . (4, 3). . .

5. 3 . , .6. ( , , ., ), .7. , .

8. . .

9. ( ).

10. .

, 1. .a.

: ,

Pizl =

b.

Pul =

c.

1 2 P1 =

P2 =2. :

a. 1 2

i1-2 =

b. :u1-2 =3. a.

: () ,

izl = nizl = b.

ul = nul = c.

1 =

n1 = 2 =

n2 = 4. .

a.

izl =

b.

ul =

c.

1 =

2 =

( = 0):

1. :

( = w) , ,

2. :

3. :

0,5, ;

0,5, 0,5, 0,5 ( > 0):

1. :

( = w) 2. :

!

3. :

, , !

. .

a 1-2

u1-2mmu1-2=

( = 20( ; yn = 1; cn = 0,2;

JUS.M.C1.016

mnJUS.M.C1.016mn =

((( =

(( =

mmm =

d1 = m ( z1d2 = m ( z2mmd1 =

d2 =

bmmb =

x1x2x1 =

x2 =

((w =

mm =

; d2 = u1-2 ( d1mmdw1=

dw2=

db1 = d1 ( cos (db2 = d2 ( cos (mmdb1=

db2=

mmdf1=

df2=

da1 = 2( ( df2 (2(cn1(mnd2 = 2( ( df1 (2(cn2(mnmmda1=

da2=

tg (b = tg( ( cos(zw1=

zw2=

W=mn(cos((((((zw (0,5)(z(inv(+2(x(tg((mmW1=

W2=

(( =

(( =

(( = ( ( + (((( =

!5. 1-2

6. ( )7.

; ( )8.

9.

10. 11.

, ( , ...)

2

:

. :

:

:

.2008/09..

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