آموزش استاتیک - بخش یکم

• View
181

• Download
0

Embed Size (px)

Text of آموزش استاتیک - بخش یکم

• faradars.org/fvmec94053

faradars.org/fvmec94053

:

1

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

: - :

2

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

: - -

3- 4- 5- 6- 7- 8- 9-

0- -

3

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

-

.

.

4

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053-

SI BS

M

L

T

F

Kg

m

s

N

Slug

ft

s

Ib

5 = N = kg

m

s2 = =

2

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

3-

Rigid Body

Particle

6

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

4-

:

.

:.

:.

7

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

5-

Scalar Quantities

Vectors Quantities

Free Vector Transmissible Vector Bound Vector

8

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

6-

= +

+

P P P

=P.cos=P.sin

9

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

+ = , + = + =

= +

+

R = ( Fx)2 + ( Fy)

2 ( )

R = ( Fx)2 + ( Fy)

2 + ( Fz)2 ( )

10

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

Unit Vector =

11

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

Scalar product .= . cos

B A A (

B) . cos =

.

B

A

12

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

Cross Product

13

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053 Complex Product

14

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

1 = 3 2 = 2 + 3 = 3 + 2 . (1+2 3)

x N 140

100 N

120 N F

y

x

30

15

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

) .)

16

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

17

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

18

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

19

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

20

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

21

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

22

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

23

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

24

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

25

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

26

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

: . CD B A

N 200 .A C

27

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

12896120

08.003.0

kji

M A

kjiM A

mN 8.82mN 8.82mN 68.7

jirrr ACAC

m 08.0m 3.0

FrM ACA

kji

kji

r

rFF

DC

DC

N 128N 69N 120

m 5.0

m 32.0m 0.24m 3.0N 200

N 200

28

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053 :

FrMM OOL

.( )

BABA

BA

BBL

rrr

Fr

MM

29

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

:

30

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053 :

.

31

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

8-

R = F = 0 , M = M = 0

32

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

33

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

34

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

35

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

36

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

37

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

38

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

39

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

: kg400 kg000

. B A . G .

.B A

0m6kN5.23

m2kN81.9m5.1:0

BM A

kN1.107B

0:0 BAF xx

kN1.107xA

0kN5.23kN81.9:0 yy AF

kN 3.33yA 40

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

: 50

.E .

0kN1505.7

5.4:0 xx EF

kN 0.90xE

0kN1505.7

6kN204:0 yy EF

kN 200yE

:0EM

0m5.4kN1505.7

6

m8.1kN20m6.3kN20

m4.5kN20m7.2kN20

EM

mkN0.180 EM41

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

42

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

43

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

44

: CG) A

. ( w=200 lb 60

CG

A

2010

60

CG

A

RT

30

O

L

60

30

CG1

2

3

O

200

tan =20

tan60 =

10 = 10 tan60

tan =20

10 tan60 tan = 1/155 = 49/1

sin = 0/755 = 180 (49/1 + 30)=100/9

sin30=200

sin=

sin

=200 sin30

sin100/9= 102

=200

sin100/9sin =

153

5

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

45

:

000

000

zyx

zyx

MMM

FFF

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

46

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

47

:

W=mg=200*9/18=1962 N

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

48

:

W=-(270 lb)j

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

49

9-

:

. .

: 30

1m4 100

50 80100

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

50

0-

: % 35

SI BS . :

. ....( ) :

. ( )

( ) :

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

51

-

w - F

) = 2221

F

(2 =22

3(21)F

(3 =21

22F

(4 =3(21)

22F

9

= 0 2 = 0 =

2

= 0 2 +

2 1

2 2 = 0 =

222 1

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

52

N.m80 . - A p 00

( B )

(1708/(2047(3800(44068

= 0 , 375 103 + 80 = 0 = 213/34

= 0 , 213/34 425 50 3 = 0 = 1047

88

80

= 213/34 N

FaraDars.org

• faradars.org/fvmec94053

faradars.org/fvmec94053

53

.

.

faradars.org/fvmec94053

FaraDars.org

http://faradars.org/fvmec94053

Education
Education
Education
Education
Education
Education
Education
Education
Education
Education
Education
Education
Education
Education
Education
Education
Education
Education
Education
Documents
Education
Education
Education
Software
Education
Education
Education
Education
Education
Education