Dari mekanika klasik menuju relativitas umum
Relativitas umum dapat dipahami dengan baik dengan mengevaluasi kemiripannya beserta perbedaannya dari fisika klasik.
Langkah pertama adalah realisasi bahwa mekanika klasik dan hukum gravitasi Newton mengijinkan adanya deskripsi geometri.
Kombinasi deskripsi ini dengan hukum-hukum relativitas khusus akan membawa kita kepada penurunan heuristik relativitas umum.
Generalisasi relativistik
Geometri gravitasi Newton pada dasarnya didasarkan pada mekanika klasik. Ia hanyalah kasus khusus dari mekanika relativitas khusus.
Geometri gravitasi Newton pada dasarnya didasarkan pada mekanika klasik. Ia hanyalah kasus khusus dari mekanika relativitas khusus.
Dalam bahasa simetri: ketika gravitasi dapat diabaikan, fisika yang berlaku bersifat invarian Lorentz pada relativitas khusus daripada invarian Galileo pada mekanika klasik.
Perbedaan antara keduanya menjadi signifikan apabila kecepatan terlibat di dalamnya mendekati kecepatan cahaya dan berenergi tinggi.
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Kunjungi Juga:
Relativitas Umum dan Ke Geniusan Einstein
Sumber:
The University of Cambridge
Wikipedia
The End
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