Fundamentação Teorica | Trabalhos Física Experimental

2 Fundamenta¸c˜ao Te´orica

O          F´ı Mˆ

              ¸ . O -

  ˜:  ¸˜     ˜;  L  C¸˜

 E Mˆ;    ¸˜  ¸˜   ; 

 ¸˜   ´  ¸˜  ˜  ˆ ´ı.

2.1 Conserva¸c˜ao da Energia Mecˆanica

A ˆ      — ´,    

 ¸˜ — . N   ,    m  R,

     h,     :

Ep=mgh (1)

A     ,      ´. S    

( ),         ´  ¸˜:

Ect =1

2mv2(2)

C,     ( ),    ´   

 ´  ¸˜:

Ecr =1

2Iω2(3)

P   ´,   ´  ¸˜      ´I=2

5mR2, 

¸˜    ˜  v=Rω. A,  ˆ  -:

Emec =mgh =1

2mv2+1

5mR2

·v

R2

10mv2(4)

A , ´ ´ı          ´     

 ,    .

2.2 Energias de Transla¸c˜ao e de Rota¸c˜ao

O           :   ¸˜

           ¸˜   ¸˜     

. O     ¸˜ ´   ¸˜     ¸˜,   

     ¸,      .

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2 Fundamenta¸c˜ao Te´orica

2.1 Conserva¸c˜ao da Energia Mecˆanica

A  ˆ      —  ´,     

2.2 Energias de Transla¸c˜ao e de Rota¸c˜ao

O            :    ¸˜

. O     ¸˜ ´   ¸˜     ¸˜,    

2.3 Lan¸camento Horizontal e Movimento em Duas Dimens˜oes

A   ,        ,   

2.4 Modelos Te´oricos e Compara¸c˜ao com o Experimento

D  ´     ´  :

Referˆencias Bibliogr´acas