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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Newtons law of motion and how it applies to recoil / impact
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<blockquote data-quote="Hand Skills" data-source="post: 1437965" data-attributes="member: 103303"><p>This is an interesting question and the domain of time must be considered to accurately quantify the action/reaction here.</p><p></p><p>F=MA</p><p></p><p>Force = mass x acceleration</p><p></p><p>The 'magic' at play here is actually time. A bullet dumps its energy on a steel plate almost instantly, the rate of acceleration in this case is very high relative to the rate at which the bullet accelerates as it traveles down the rifle barrel. </p><p></p><p>Take ballistic gelatin (or a box of newsprint) for example - upon impact the bullet decelerates at a much lesser rate - compared to hitting the plate.</p><p></p><p>F=MA</p><p></p><p>So, for a given a mass (the bullet), force is directly correlated to the rate at which velocity changes.</p><p></p><p>Acceleration is an interesting concept. How much 'force' do you feel driving down the highway at 60mph? In this example we feel force only when the car speeds up or slows down. If a car accelerates from 0-60mph over 5 seconds, as part of the car, the driver will feel a lot of force during this acceleration. However, the driver will experience a lot more force if his car decelerates to 0mph in 0.5sec...</p><p></p><p>May the force be with you</p></blockquote><p></p>
[QUOTE="Hand Skills, post: 1437965, member: 103303"] This is an interesting question and the domain of time must be considered to accurately quantify the action/reaction here. F=MA Force = mass x acceleration The 'magic' at play here is actually time. A bullet dumps its energy on a steel plate almost instantly, the rate of acceleration in this case is very high relative to the rate at which the bullet accelerates as it traveles down the rifle barrel. Take ballistic gelatin (or a box of newsprint) for example - upon impact the bullet decelerates at a much lesser rate - compared to hitting the plate. F=MA So, for a given a mass (the bullet), force is directly correlated to the rate at which velocity changes. Acceleration is an interesting concept. How much 'force' do you feel driving down the highway at 60mph? In this example we feel force only when the car speeds up or slows down. If a car accelerates from 0-60mph over 5 seconds, as part of the car, the driver will feel a lot of force during this acceleration. However, the driver will experience a lot more force if his car decelerates to 0mph in 0.5sec... May the force be with you [/QUOTE]
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Rifles, Reloading, Optics, Equipment
Rifles, Bullets, Barrels & Ballistics
Newtons law of motion and how it applies to recoil / impact
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