| Standard: | Alternative: |
Mass | M (kg) | (collision-time mass) |
Energy | (joule) | (gravitational energy) |
Gravitational constant | G |
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Non observable (contains GMm) | ||
Gravity force |
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Observable predictions, identical for the two methods: (contains only GM) | ||
Gravity acceleration |
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Orbital velocity |
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Orbital time |
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Velocity ball Newton cradle |
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Periodicity Pendulum (clock) |
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Frequency Newton spring |
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Gravitational red shift |
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Time dilation |
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Gravitational deflection (GR) |
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Advance of perihelion |
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Micro lensing |
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Indirectly/“hypothetical” observable predictions: (contains only GM) | ||
Gravitational parameter |
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Two body problem |
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Constants needed | G, c | Only |