Newton serie

Telechargé par Azar Fedel

2018/2019





OM

 
, ; ;R O x y z

2ts

2ts





x

t


0ts

7s





0
v




 



 
0,3s
 
3 ;5ss


0,5FN

m

( , )R O i







 
S


 
S





 
, ; ;R O x y z

2
2
2
4
xt
OM y t t
z


 
xt
 
Vt

A
t

 
S

A

A
V

A


0t

2m Kg

A


10AB m

G
(S)

0
GA
xx

0t


2
10 .g ms

xG

 
2
2.sin
G
dx f
g
dt m

G



G
a

AB

B


 
S

G

m


F


G

 
;R O i

G

A
(t=0)
G

B

B
t

B
v
m=0,25kgtB=2svB=2m.s-1



G
x

G

 
;R O i

2
2G
dx F
dt m

G

F
am


( ); ( )x t v t


m


 
S

0,3 m kg


 
1
P

0
30

 
S

A

B

1
4 .
B
V m s

AB

B
t

 
; ; jR A i

 
S

 
S


 
S
 

 
1.sin
G
ag


G

 
1
P


B
t

AB


 
S

100mg

O

0t

30


F

1
2
10 .g ms

1OA m

x
V


2

➊➋
 
S

➋➋
F

R








’'AB

’ ’ 82,7A B m

14



BC

’ ’ 82,7L B C m

 
S

65m kg

G

2
10 .g ms

G

A

B

C

D

’’A B AB

’’B C BC
1 
’’AB

0t

G

A

 
S

’’AB

G

t

x

)(A;i

0
G
x

0t

G
a

G

g



G


B
v

G


B

2 B’C’

 
S
B’C’
f

G


B

 
S


G

B

G


G

BC


f

m

L

B
v

C
v

G

C

f

1
12 .
C
v ms




10 / ².g m s

 
C

G

400m kg

 
C

T

G
a
G

F




AB

BO

α

AC

D
1
)S(

m

G

G
 
)S(



)S(

m 1200 kg


10


, .
2
g 9 8 ms

)S(

0t0
A
s45,9t1
BvG
AB
GAB
aG
AB

)S(
BO
F

f

N500f
BO
F
)S(
aAB
A
B
C
E
G
O
α
h
o
v
i
j
x
z

1

b
.
c

B
t

G

B

1
90 .kmh

R

 
S
2. :

BC

 ' .
C

 
S


f

G

 
;Bi

.
G

B

.

f


2
3.
x
a ms


G

C
t
.

BC







’’AB



’’BC
 
10 / ².g m s

’ ’: ’ ’ 80 .A B A B m

18 .



G

 
S


(A; '; ')ij

0t

 
S


G

A

G

AB

’’AB A B


G
a

G

R

 
S

B
v

G

B



G

( ; )Ok

1
 
C

2
 
G
vt

G

 
0;3s

 
3 ;4ss

T


 
0;3s

 
3 ;4ss



.
.
 :

''AB



''BC

:
:
65m kg
2
9 ,8 .g ms

23
.
:

G

 
S


 
,;R A i j
.

 
S


G
 .
A

G

AB

''AB A B

 
S

 .
15 fN

G
v

G

 
sin
G
dv f
g
dt m


 
.
G
V t bt c

R

M
V

0
F

F
D
0
F


0R

1
10 .g m s


ABCD


AB

1,0AB m

30


BC

1,0BC m

CD

O

1,0rm

()S

1m Kg

1
2,0 .
A
V m s

A

ABCD


B

1
3,0 .
B
V m s

 
;;R A i j
 
sin
x
dv f
g
dt m


1
a

R

()AB

()S


A

B


R

()AB

()S

C


CD

M

1



2
9 ,8 .g ms
AB

20



B

15C D L m

 
S

80m kg
 .
G

AB
 .

A

0
A
x

 
;;O i j
 
0ts


AB

a


B

1
20 .
B
v ms

g
a


 
tan


.

10
B
ts

B

a

 
tan

R

AB


   
 
2
cos 1 tanR mg



R

S
g500m

A
F

F

1,5AB m

ACCDr
1rm


a

B
V
 B
m

F

BC
VV

C
V
C

M

( , )OC OM

M
V


M

m
F

g

r



        M 
2
( cos )
M
V
R m g r

1 / 5 100%

Newton serie

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