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jbunch
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Is there any experimental or observational evidence that conclusively shows gravitational forces acting on mass that is less than the Planck mass? thx
No need to make it smaller. The Planck mass is 22 micrograms, so such a grain of sand would be about a tenth of a millimeter across, easily visible to the naked eye.jbunch said:As I said, less than the Planck mass. Let's keep dividing that grain of sand by 2.
The Planck mass is the unit of mass in the Planck scale, which is the scale at which quantum effects become important in the study of gravity. It is equal to approximately 2.18 × 10^-8 kilograms and is important because it is the smallest possible mass that can theoretically be observed. It also plays a role in theories attempting to reconcile quantum mechanics and general relativity.
As mass approaches the Planck mass, the strength of gravitational forces increases significantly. This is because at such small scales, quantum effects become dominant and the classical laws of gravity no longer apply. Instead, a theory of quantum gravity is needed to accurately describe the behavior of gravitational forces on this scale.
Currently, there is no direct evidence for the existence of gravitational forces on masses smaller than the Planck mass. However, some theories, such as string theory, suggest the existence of extra dimensions which could potentially lead to the observation of gravitational interactions on smaller scales.
Since direct observation is not yet possible, scientists study gravitational forces on masses smaller than the Planck mass through mathematical models and simulations. They also use data from experiments, such as particle colliders, to test theories of quantum gravity and look for any potential effects of gravitational forces on the Planck scale.
Yes, the discovery of gravitational forces on masses smaller than the Planck mass would have significant implications for our understanding of the universe. It could help bridge the gap between quantum mechanics and general relativity, and potentially lead to a unified theory that explains all fundamental forces. It could also lead to new insights into the nature of space and time, and the fundamental building blocks of matter.