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knzhou
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Yes! In fact, this kind of phenomenon is very common. For example, the mass of a proton is much greater than the sum of the masses of the constituent quarks. Much of the extra mass comes from the gluons that bind the quarks together; like photons, gluons areeach gluon is massless, but collectively they contribute to the inertia.

The point is that the mass of a system is not the same as the sum of the masses of its constituents. Of course, this is just a rephrasing of $E = mc^2$. If you have photons bouncing back and forth in a box, their energy contributes to the total mass.

Yes! In fact, this kind of phenomenon is very common. For example, the mass of a proton is much greater than the sum of the masses of the constituent quarks. Much of the extra mass comes from the gluons that bind the quarks together; like photons, gluons are massless, but they contribute to the inertia.

Yes! In fact, this is very common. For example, the mass of a proton is much greater than the sum of the masses of the constituent quarks. Much of the extra mass comes from the gluons that bind the quarks together; each gluon is massless, but collectively they contribute to the inertia.

The point is that the mass of a system is not the same as the sum of the masses of its constituents. Of course, this is just a rephrasing of $E = mc^2$. If you have photons bouncing back and forth in a box, their energy contributes to the total mass.

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knzhou
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Yes! In fact, this kind of phenomenon is very common:. For example, the mass of a proton is much greater than the sum of the masses of the constituent quarks. Much of the extra mass comes from the gluons that bind the quarks together; like photons, gluons are massless, but they contribute to the inertia.

Yes! In fact, this kind of phenomenon is very common: the mass of a proton is much greater than the sum of the masses of the constituent quarks. Much of the extra mass comes from the gluons that bind the quarks together; like photons, gluons are massless, but they contribute to the inertia.

Yes! In fact, this kind of phenomenon is very common. For example, the mass of a proton is much greater than the sum of the masses of the constituent quarks. Much of the extra mass comes from the gluons that bind the quarks together; like photons, gluons are massless, but they contribute to the inertia.

Source Link
knzhou
  • 105.1k
  • 24
  • 297
  • 494

Yes! In fact, this kind of phenomenon is very common: the mass of a proton is much greater than the sum of the masses of the constituent quarks. Much of the extra mass comes from the gluons that bind the quarks together; like photons, gluons are massless, but they contribute to the inertia.