076-094-c226-2

شیرازید ـ شمالخت جمش ت و انرژی کار٤ یانش، ایران سال پی٢٥٠٠ بیش از کوشی تمدنی را با ذوق و سختز آثار به جایند که بخشی ا برپا کرد بینید.ر می را در این تصویدۀ آن مان همۀ کشورهان به دروازۀین مکا ا معروف است.

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  • 67

    .

    .

  • 77

    .

    .

    .

    . . (1)

    .

    .

    41

    .

    .

    .

    4 .

    :

    ) . ) .

    41

    . 41 .

    . 42

    F d F

    .

    (41) dF = FW 1

    .

    ()

    ()

    F

    d

    m.N . J

    . () .

    F

    2

    d .

  • 87

    1

    41 N4 m01

    : 41 :

    dF = W

    J04=01*4 = W

    41 03 5/0

    : dF = W

    J51= /0*03=W

    3

    .

    d :

    F

    (42) socdF = FW

    0= 41 .

    3

    43 N 6 .

    .

    : 42 :

    socdF = FW

    J7 =06soc*3*05 = FW

    42 .

    3 F

    d .

    d

  • 97

    m F d .

    )

    ) F

    : ) 081 ( ).

    42 :

    081socdgm = gmW

    dgm- =

    ) F ( ) :

    0soc dF = FW

    dF =

    d

    dF

    gm

    081

    d

    F

    gm

    d

    dF

    gm

    081

    d

    F

    gm

    ()

    ()

    1

    F

    m

    k . :) F .

    ) .

    ) .

    ) .

    F

    d

    5

    :

    )

    ) .

    : ) .

    :

    J0 = 0 * gm = dF = W

    )

    .

    d

    dF

    gm

    081

    d

    F

    gm

  • 8

    6

    m

    d .

    :

    .

    . 9 :

    J0= 09socdgm = socdF = W

    4 5 4 6

    .

    42

    (1) m v

    12 =vm K 2

    (4)

    .

    .

    .

    . .

    .

    1

    ) . ) .

    .

    m

    .

    F d .

    .

    vf vi

    gm

    F

    N

    )2( )1(

    F

    iV fV .

    F

  • 8

    F :

    dF = W

    F :

    am = F

    F iv (1) fv (2) .

    241 :

    = da v vi f 2 2 2

    a :

    m Fv vi fd

    =

    2 2

    2(4)

    :

    =vm vm Wi f1 12 2

    2 2()

    (2)

    (1) .

    fK iK (4 )

    :

    (4 6) iK - fK = W

    .

    6 .

    4 6 .

    .

    iK > fK

    iK < fK

    iK = fK .

    .

    F

    d

  • 28

    008 .

    gk08 . s/m5

    . ( 2s/m01 ).

    : .

    :

    iK - fK = W+ W

    =vm vmi f W + 0sochgm1 12 2

    2 2

    = 1 008 01 08+ W0 5 08 12

    2

    J 000936- = W 0001 = W+ 000046

    gk 5/0

    N002 m 5/2

    8

    gk0021 h/mk27 .

    .

    .

    : :

    s / m vi

    = =

    0001 2702

    0063

  • 8

    :

    = = =J vm Ki i000042 02 0021 1 12 2

    2 2

    J0= fK .

    .

    :

    ik - fk =gmW + NW + fW

    . :

    000042-0=0+0+fW

    J000042- = fW

    gm

    d

    f

    N

    V

    F

    9

    3 h/mk63 .

    . .

    8/0

    (2s/m01= g .)

    :

    . :

    iK -fK =gmW +NW +fW

    . s/m .

    = = + +J W Wf f000051 01 0003 0 0 012

    2 081 = =socdgm socd f Wk k f

    52 6 1 01 0003 8 0 000051= = m / d ) ( d /

    .

    .

  • 8

    :

    .

    2 .

    ( .)

    .

    f i iv .vx v v

    t +

    = =

    2

    .

    6 .

    4

    .

    .

    .

    m ih

    ( 4 ). fh

    . :

    (1-) (ih-fh) gm = 081soc dgm = W

    ( ihgm - fhgm ) - =

    () m h

    hgm =U . :

    (7) U- = ( iU - fU) - = W

    .

    7

    .

    d

    gm

    hf

    hi

    5

    ih

    fh .

    1

  • 8

    01

    gk52

    . 8 :

    ) .

    ) . (2s/m01= g

    ).

    )

    J0002 = 8 *01* 52 = ihgm =iU

    J0= 0 *01* 52 = fhgm =fU

    ) J0002 = 0- 0002= fU -iU=U- = W

    11

    m ih fh .

    .

    : :

    K = W + W

    .

    (=K)

    : W- = W 0= W+ W 7

    .

    (ihgm - fhgm)- = U- = W

    .

    (ihgm - fhgm)+ = (U-)- = W

    hf

    hi

    .

    .

    ( 6)

    .

    :

    U- = W

    F

    d

    6

    .

    .

  • 68

    1

    6 J02 .

    J51

    )

    ) .

    :

    ) ( iU - fU ) - = U - = W

    J .

    J 51- = (0 - 51 ) - = W

    ) :

    iK - fK = W + W + W + W

    J5 - = W 02-0=0+0+ W+ 51-

    3

    .

    44

    .

    iK fK iU fU . :

    ( iU - fU ) - = U - = W

    : iK - fK = K = W

    : iK -fK = ( iU - fU ) -

    fK +fU = iK + iU

    .

    E .

    fE = iE

    .

  • 78

    1

    31

    .

    2/5 . (2s/m01= g)

    :

    iE = fE

    + = +vm hgm vm hgmi i f f1 12 2

    2 2 m

    fv .

    + = + ) ( v /f01 1 01 2 5 011 12 2

    2 24 =s / m vf

    52

    s/m02 . 2s/m01= g

    .

    :

    .+ = + =vm hgm vm hgm E Ei i f f i f

    1 12 2

    2 2

    + = + v hg v hgi i f f1 12 2

    2 2

    = + = +s m v vf f03 02 52 01 01 12 2

    2 2

    1m

    02 5m /

    m52

    3

    m

    . A .

    .

    m

    A O

  • 88

    :

    iK - fK = K = W + W .

    ( iU - fU ) - = U - = W

    :

    K = (U -) + W

    U + K = W

    iU - fU + iK - fK = W

    iE - fE = (iU +iK) - ( fU + fK )=

    .

    .

    .

    51

    s/m01 gk01

    s/m02 .

    . (2s/m01= g.)

    :

    iE- fE= W

    + + =) U K( ) U K(i i f f

    + + =) hgm vm ( ) hgm vm (i i f f1 12 2

    2 2

    s/m01 .

    + + =) ( ) ( W05 01 01 01 01 0 02 011 12 2

    2 2

    J0053- = W

  • 98

    61

    gk005 . s01

    6 (2s/m01 = g . )

    : :

    K = W + W

    0= W+ (ih - fh)gm-

    (ih-fh) gm = W

    J00003= 6 *01*005 = W :

    W PW t

    = = =

    00003

    000301

    ( )

    .

    ( )

    .

    . ( 2 )

    . 4 8

    .

    4

    41 . .

    . 6

    . .

    . .

    F W t .

    F ( P ) :

    PWt

    =

    (4 8)

    IS (s/J) .

    . (W) .

    .

  • 9

    .

    .

    tP=E

    ()tP=E

    EP=

    t

    1

    h/mk09 mk001 6 .

    J75/3 . 56

    .

    )

    )

    ) (ph) 647 .

    = =J / ) ()til J / ()til ( E 01 2 4 01 5 3 6027 7

    001:

    0004 0063 001 001= = =s h t 09 09

    P = = W / / /

    74

    3

    2 0 01 5 3 601 50 1

    01 4

    = =ph /01 50 14

    41647

    __________________________ =

    ( 8)

    .

    . % =

    .

    3

    . 06%

    gk .

    7

    .

    S

  • 9

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    . 687 597

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    .

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    .

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    .

    .

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    108

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    908 .

  • 29

    1 A B . A B

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    ) A B .

    ) .

    ) .

    2 .

    3 .

    . .

    4 A B

    1 05 . 5 .

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    ) 2 s/m2 .

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  • 9

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    6 42 s/m005 .

    mc21

    7 h/mk27 . 03

    . .

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    ( m 5/1 .)

    9 gk05

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    01 .

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    h

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  • 9

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    gk0001 .

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