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1

2015

.1) . .

. .

. .

. .

( 5) .2) .

x.

. c

= .

. .

. .

( 5) .3) . ,

. .

. .

. ,

.

. ,

.

( 5) .4) bF = . t1

20A

4

0A

t2 6

0A

120A

t1 t2 . 21 tt =

. 22

1t

t =

. 21 3tt = . 21 4tt =

( 5)

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2

.5) , , . )

.

) b .

) , .

) .

) . ( 5)

B

.1) , 1

2 ,

. 00 =t ,

.

sm /2 Hz5 . d=1m . 21

:

) 3 ) 5 ) 7 ( 1) . ( 5)

.2) 0 +x

. ,

1 1 x, ,

2 2 x,

. :

) 221

=+

) =+ 21 )

421

=+

( 1) . ( 5)

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3

.3) M=2 kg k=200 N/m , f1=(3/2) Hz. =0,1 m. ,

) , ) ) ; ( 1) . ( 5)

.4)

, M R k , , .

, ,

.

:

) k ) 4

3k )

32k

( 1) . ( 6) =1/2MR2

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4

, ml 1= M ,

, .

2M

m = ,

sm /11= .

.1) - ; ( 6) .2) ; ( 6) .3) , , ; ( 6) .4) -

( ); ( 7) : 2

121 MlI cm =

2/10 smg = . 83,0196163

srad /811720

.

r l

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5

To , kgm 1= m

Hzf 2= . 4,0= . mN /200= .

102 = .

.1) . ( 5) .2) m . ( 3) .3) mA 31010 = . 1t 2/Ax = , , .

.

; ( 4)

kgm 1= ( 030= ) , mN /200= ,

, ,

kgm 1= .

m

m K

030

m

K

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6

.4)

. ( 5) .5)

23

= .

2/Ax += , . ( 3) .6) Hzf S 1359= .

:

i) . ( 3)

m

m

K

030

m

m

K

030

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7

ii) ,

Hzf S 1359= . ( 2) sm /340= .