In science fiction laser/energy weapons are depicted as having no recoil (such as a phaser in Star trek.) Now my question: If humans were to develop energy weapons would they actually be recoil-less or would they have recoil? The reason I'm asking is because physics isn't my strong suit.
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When you eliminate mass from the equation of force, you end up w 0. The recoil of firing a pure energy weapon would be non-existent. Throw in a projectile and there would be recoil.