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Long Range Hunting & Shooting
recoil v accuracy
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<blockquote data-quote="lightwind" data-source="post: 522388" data-attributes="member: 30140"><p>Yes, vibration is different from recoil. That is why I also told you to watch the motion when I should have said "linear motion." Can you see the rifle moving backwards before the projectile leaves the barrel?</p><p></p><p>Also, since you have taken three physics courses I assume the first one was mechanics (statics and dynamics). In the course you learned that forces add as vectors. The "F" you are using to say that you have to have a minimum to move anything is a composite force. It includes the force of the propellent, the force of friction (which adds in the opposite direction of the propellent force), the force of gravity, and the force of atmospheric pressure. Those all add to give you a net force less than the propellent force (which you mistake for a minimum force to move the mass). It is the force required to overcome friction and atmospheric pressure.</p><p></p><p>F(propellent) - F (friction) - F (atmosphere) +/- F(vector of gravity) = F(composite)</p><p></p><p>See if that makes sense or not.</p></blockquote><p></p>
[QUOTE="lightwind, post: 522388, member: 30140"] Yes, vibration is different from recoil. That is why I also told you to watch the motion when I should have said "linear motion." Can you see the rifle moving backwards before the projectile leaves the barrel? Also, since you have taken three physics courses I assume the first one was mechanics (statics and dynamics). In the course you learned that forces add as vectors. The "F" you are using to say that you have to have a minimum to move anything is a composite force. It includes the force of the propellent, the force of friction (which adds in the opposite direction of the propellent force), the force of gravity, and the force of atmospheric pressure. Those all add to give you a net force less than the propellent force (which you mistake for a minimum force to move the mass). It is the force required to overcome friction and atmospheric pressure. F(propellent) - F (friction) - F (atmosphere) +/- F(vector of gravity) = F(composite) See if that makes sense or not. [/QUOTE]
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