COMENTÁRIO DA PROVA - FÍSICA
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 







 





 

      
 


 


 

      
      
      
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 
COMENTÁRIO
- ASSUNTO: MECÂNICA

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
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

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
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
Observe que a reta suporte
da força peso passa pelo
    
ponto central (O) nos pontos mais alto e mais baixo

da trajetória. Assim, o módulo do torque é nulo nesses
pontos.
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
      
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     
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      
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A      
Item:
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
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