7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 1/54

http://profanderson.net

anderson.gaudio@ufes.br

Prof. Anderson Coser GaudioTecnoLab  – Depto. Física  – CCE - UFES

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 2/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 3/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 4/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 5/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 6/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 7/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 8/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 9/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 10/54

1 2

 F F F 

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 11/54

 x y F F F 

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 12/54

1 2 R F F 

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 13/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 14/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 15/54

ˆ ˆ x y F F i F j

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 16/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 17/54

0 F  

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 18/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 19/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 20/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 21/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 22/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 23/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 24/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 25/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 26/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 27/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 28/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 29/54

2cr  F m v    

cf   F m r   

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 30/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 31/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 32/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 33/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 34/54

a F 

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 35/54

1am

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 36/54

 F ma

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 37/54

 F ma

 x x

 y y

 z z 

 F ma

 F ma

 F ma

 x

 y

 z 

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 38/54

 g  F mg 

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 39/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 40/54

12 21 F F 

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 41/54

B/A A/B F F 

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 42/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 43/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 44/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 45/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 46/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 47/54

1   T T j

2   T T j

1 1m g  P j

2 2m g  P j

1   a

a j

2   a a j

m1

P1

P2

T1

T2

m2

 x

 y

o

m1

P1

P2

T1

T2

m2

 x

 y

o

1 2 a a

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 48/54

1 1 1mF a

1 1 1 1m P T a

1 1 1m g T m a  j j j

1 1 1   (1)T m a m g  

2 2 2mF a

2 2 2 2 2 1m m P T a a

2 2 1m g T m a  j j j

2 1 2   (2)T m a m g  

2 11

1 2

m ma g 

m m

2 1

11 2

m m

 g m m

a j

2 12

1 2

m m g 

m m

a j

m1

P1

P2

T1

T2

m2

 x

 y

o

m1

P1

P2

T1

T2

m2

 x

 y

o

1 2 a a

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 49/54

2 11

1 2

m m g 

m m

a j

2 12

1 2

m m g m m

a j

m1

P1

P2

T1

T2

m2

 x

 y

o

m1

P1

P2

T1

T2

m2

 x

 y

o

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 50/54

1   T T i2

  T T j

1 1m g  P j2 2m g  P j

1   aa i 2   a a j

1 1m g N jm1

P2

T1

T2

m2

 x

 y

o

P1

N1

1 2a a

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 51/54

1 1 1mF a

1 1 1 1 1m P N T a

1 1 1 1m g m g T m a  j j i i

1 1   (1)T m a

2 2 2mF a

2 2 2 2m P T a

2 2 2 2 1m g T m a m a  j j j j

2 1 2   (2)T m a m g  

21

1 2

ma g 

m m

2

11 2

m g 

m m

a i

22

1 2

m g 

m m

a j

m1

P2

T1

T2

m2

 x

 y

o

P1

N1

1 2

a a

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 52/54

21

1 2

m g 

m m

a i

22

1 2

m g m m a j

m1

P2

T1

T2

m2

 x

 y

o

P1

N1

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 53/54

7/25/2019 Fisica 04-Leis de Newton

http://slidepdf.com/reader/full/fisica-04-leis-de-newton 54/54