A Lei da Gravitação de Newton

Sobre a Lei da Gravitação de Newton

Atualmente é possível prever, por exemplo, a data em que determinados planetas vão se alinhar, conforme ocorreu em dezembro de 2020 [ref.] . Dificilmente paramos para pensar hoje em um mundo sem os benefícios da telecomunicação que conta com milhares de satélites orbitando nosso planeta. Tudo isso só é possível graças ao acúmulo de conhecimento que a humanidade foi adquirindo ao longo de sua existência. Um campo teórico que que muito contribuiu para esse avanço denomina-se Lei da Gravitação Universal que contou com grande contribuição do cientista inglês Isaac Newton. Evidentemente, Newton se apoiou em teorias já desenvolvidas por estudiosos que o antecedeu como Johannes Kepler e Galileu Galilei.

Aqui neste post, que contará com notas de aulas, vídeo aulas, proposta de exercícios e dicas de ferramentas computacionais estudaremos, portanto, A Lei da Gravitação de Newton que servirá de base para o entendimento de vários fenômenos referentes à Astronomia. Como bibliografia básica utilizaremos o livro texto

Halliday, David, 1916-2010 Fundamentos de física, volume 2 : gravitação, ondas e termodinâmica / David Halliday , Robert Resnick , Jearl Walker ; tradução Ronaldo Sérgio de Biasi. – 10. ed. – Rio de Janeiro : LTC, 2016.

Ao final do post encontra-se um espaço para comentários, críticas e sugestões.

Notas de Aula sobre Gravitação

Na janela abaixo Segue as notas de aulas referente Gravitação. Caso queira, você poderá imprimi-las para fazer suas anotações pessoais durante o intervalo de tempo que assiste as vídeo-aulas.

Vídeo Aulas Referente à Gravitação

13.1 – A Lei da Gravitação de Newton

13.2 – Princípio da Superposição: Força Gravitacional entre Partículas

13.3 – Gravitação no Interior da Terra

Energia Potencial Gravitacional

Energia Potencial Gravitacional (Vídeo aula 13.4)

Obtenção da Força a partir da Energia Potencial Gravitacional (Vídeo aula 13.5)

Velocidade de Escape(Vídeo aula 13.6)

13.7 – Leis de Kepler

Resolução de Problemas sobre Gravitação

Problema 13.3

Problema 13.6

Lista de Exercícios sobre Gravitação

Na janela abaixo encontra-se a lista de problemas propostos para fixação do conteúdo estudado.


Ferramentas Computacionais: Planilha Calculadora

O arquivo mostrado nesta janela refere-se a uma Planilha Calculadora. Com ela você poderá resolver equações de segundo grau, determinante de matrizes de ordem 2 e 3, bem como sistemas lineares de segunda e terceira ordem. No entanto, para utilizá-la você deverá fazer o download do arquivo. Caso note que alguma função da calculadora não esteja funcionando corretamente, entre em contato com o site, pois seu parecer sobre esse recurso é de grande importância para nós.


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