Calculating Gravity Force with Energy of a System - Tips and Insights

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SUMMARY

This discussion focuses on calculating the gravitational force between two objects using the energy of a hypothetical gravity wave. The user seeks to derive the gravitational force from the wave's energy, which is linked to the change in momentum of the interacting object. Key insights include the importance of identifying a formula that relates wave energy to momentum and understanding that force is defined as the change in momentum over time. The conversation highlights the complexity of applying these principles to gravity waves compared to light waves.

PREREQUISITES
  • Understanding of gravitational force and its calculation
  • Familiarity with wave energy and momentum relationships
  • Knowledge of basic physics principles, particularly in mechanics
  • Ability to apply formulas related to force and energy
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  • Research the relationship between wave energy and momentum in gravitational waves
  • Study the formula for gravitational force and its derivation
  • Explore the concept of power transmission in wave mechanics
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Physicists, engineering students, and anyone interested in advanced concepts of gravitational forces and wave mechanics.

Brad_Ad23
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Ouch, I got myself stumped. Say we are given the energy of a system (in this case let's consider it a hypothetical gravity wave). I have the energy of the wave that it has, derived from the change in momentum of the object it interacted with. I want to determine the force of gravity between the two objects to henceforth calculate the mass of the object emitting the wave (assume distance is known in this case as well). I suspect maybe it is a simple matter just going back to the change in momentum, but am not certain if there is another way given the energy of the wave. Any insights?
 
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h0 h0, I clicked this thread expecting to quickly solve your problem, but if you're working with gravity waves, your Physics skillz are likely much l33ter than mine

If I got handed a problem like that right now, I'd look around to see if there's a formula relating the wave's energy to its momentum, like there is with light waves, then combine that with the facts that force is the change in momentum with respect to time and that you probably have the power being transmitted by the wave, but you probably already did that to no avail
 
Maybe. I am basically trying some new tricks out, but who knows? Yeah I got nowhere with the power thing...though I might have a few more options left.
 

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