Can we consider light as a force ?

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SUMMARY

Light can indeed be considered a force due to its ability to exert pressure and momentum on objects. The discussion highlights the concept of laser-driven sailships, which utilize light's momentum to propel a mass. Specifically, light's momentum and momentum flux density allow it to act on material bodies, confirming its role as a force in certain contexts.

PREREQUISITES
  • Understanding of light pressure and momentum
  • Familiarity with the concept of momentum flux density
  • Basic knowledge of laser technology
  • Awareness of applications in physics, such as laser-driven propulsion
NEXT STEPS
  • Research the principles of laser propulsion systems
  • Explore the physics of light pressure and its applications
  • Study momentum transfer in electromagnetic waves
  • Investigate the design and functionality of laser-driven sailships
USEFUL FOR

Physicists, engineers, and students interested in optics, propulsion technologies, and the fundamental principles of light and force.

LasTSurvivoR
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Can we consider light as a force ?

can a very heavy light move a 0.00002 gram mass ?
 
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LasTSurvivoR said:
Can we consider light as a force ?

can a very heavy light move a 0.00002 gram mass ?
:confused: a heavy light...? :biggrin:

If you've ever seen the concept of a laser-driven sailship, then you must realize that light has pressure, and in that sense it can move a mass.
 
Light has momentum and momentum flux density,so definitely can act on material bodies with a force...

Daniel.
 

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