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7/11/2015 4:07:05 AM
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Dumb science question

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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  • Edited by ~wolfBTM~: 7/11/2015 4:15:25 AM
    It depends. Recoil exists due to forces used to fire the bullet or other projectile "kicking back" (Newton's third law). Energy weapons wouldn't necessarily need a large force (if any) to propel them, but if some force was needed to fire it then it would have some form of recoil...

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