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Transformers - Movie Physics
 

Transformers - Movie Physics

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  • My point in all this:

    Next time you make an attempt to apply physics to a work of science fiction strictly meant for entertainment, consider looking into the subject and research it, afterwhich decide whether or not your argument is valid.
    Your thesis, which any reader would assume is a negative critique of the movie's physics, although scientifically valid, is irrelevant when applied to a work of science fiction that utilizes fictional physics to describe the scientific elements of an extraterrestrial alien race. And it's even worse that you did not (at least seemingly) understand the concept of a railgun and were wrong in describing Megatron's weapon as such.
    Again, I advise you to research the subject matter before establishing a thesis regarding the physics of a work of science fiction.
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  • Also, regarding your physics on the energy source, energon is what fuels or powers the Cybertronians. It is a milt-purpose energy source used as 'foodstuff', power source for other machines and weapons, technology, and even ammunition as it is prone to detonating if mishandled.

    This is a summary of a page cited below:

    Energon: http://tfwiki.net/wiki/Energon_%28fuel%29
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  • Getting back to railguns, if you just look at Megatron when he shoots Prime, you'll notice a significant difference between his cannon and a railgun. Railguns accelerate a conductive projectile along two (2) parallel metal rails. These rails, connected to an electrical power supply, allow an electrical current to pass through a projectile. The current interacts with magnetic fields generated by the rails and accelerate the projectile.

    This is a summary of a page cited below:

    Railgun: http://en.wikipedia.org/wiki/Railgun
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  • Megatron didn't shoot a railgun at Optimus Prime. In that scene, Megatron transforms into a variant of his gun transformation (G1) and uses his fusion cannon, which is NOT a railgun. In G1, Megatron's fusion cannon was strong enough to punch holes straight through just about anything. The only Cybertronians to survive shots from this are Optimus Prime, as he has taken hits from the cannon multiple times; Starscream, who eventually does get a hole shot through his torso (IDW comic continuity); and Devastator, whose armor is strong enough to deflect the fusion cannon's shots.

    This is a summary of a page cited below:

    Fusion Cannon: http://tfwiki.net/wiki/Fusion_cannon
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    Transformers - Movie Physics Transformers - Movie Physics Presentation Transcript

    • Physics in Transformers By Jaehyeon Ko
      • Summary: The Autobots and the Decepticons look for the All-Spark, the source of the robots lives, which is hidden on Earth. The humans join forces with the Autobots to defeat Decepticons and to destroy the cube.
        • Scenes
          • Testing the energy of the cube (1:40)
          • 1 st battle between Optimus Prime and Megatron (2:00)
          • Megatron flicks a human (2:07)
    • Testing the Energy of the Cube
      • Topic: Conservation of Mass
      • Summary - The scientists in the movie transfers the energy of the All Spark into a cell phone and the cell phone transformed into a evil tiny robot.
      • Estimated Values
        • Mass of the cell phone = 95 grams
        • Mass of a bullet = 1 gram
        • Mass of a missile = 3 grams
      • Calculations
        • The Robot of 95 grams can shoot maximum 10 rounds of missiles (3 * 10) and 65 bullets (1 * 65) assuming that even the last portion of its mass can propel itself somehow to become a projectile.
      • Analysis/Conclusion (Rating XP)
        • Every transformers in this movie, including the tiny evil one created in this box for an experiment, have deadly projectile weapons that they can shoot very frequently. However, they never run out of ammunitions and don’t need to reload the ammunitions or any other types of materials.
        • If they do not reload, due to the law of conservation of mass, they would be using part of their body as a projectile but their size doesn’t decrease so the law of conservation does not apply to these robots.
          • Law of conservation of energy also does not apply because they have infinite energy but this can be explained through the god-like power of the cube that gives life to any machine.
    • 1 st Battle between Prime and Megatron
      • Topic: Conservation of Momentum (inelastic collision)
      • Summary –Megatron shoots a rail-gun at Optimus Prime
      • Estimated Values
        • Mass of Optimus Prime = 16,263 kg (peterbilt truck mass)
        • Mass of projectile = 10kg
        • Total displacement of Optimus Prime = 250m
        • Total time during the displacement = 1.238s (taken with stopwatch)
          • Assume no air resistance and ignore y-component of the projectile motion.
      • Calculations
        • p i = p f
        • mv i = mv f
        • mv i = mp * vp i + mo * vo i
        • mv i = 10 * vp i + 16263 * 0 = 10 vp i
        • mv f = (mp + mo) * v f
        • mv f = (10 + 16263) * (250 / 1.283) = 3.286 * 10^6
        • 10 vp i = 3.286 * 10^6
        • vp i = 3.286 * 10^5 m/s
      • Analysis/Conclusion (Rating XP) movie vs real life
        • The velocity of the projectile calculated (3.286 * 10^5 m/s) is simply impossible to reach.
          • The most powerful rail-gun that currently exist in our world, owned by the US military or course, can shoot a 2kg projectile at 3000 m/s with energy of 9 megajoules. (Jan 2008)
        • The projectile in the movie does not penetrate Optimus Prime which is transformed from a truck even though it is fired at point-blank range.
          • Rail-gun in real life can easily penetrate any tank and go through it at range of 200 miles.
        • The rail-gun in the scene is fairly large with estimated length of 30 feet.
          • Rail-gun in real life is size of our school’s science wing.
            • Megatron barely experiences recoil from shooting his rail-gun.
            • Even if it is possible to create a rail-gun like the one in the movie, any material that exist in our world will melt instantly when the projectile is shot and the rails will bend or snap.
    • Megatron Flicks a Human
      • Topic: Human tolerance against force
      • Summary –Megatron flicks a human for fun
      • Estimated Values
        • Human Body Mass = 70 kg
        • Total displacement of human = 10m
        • Total time during displacement = 0.38s (taken with stopwatch)
        • g=9.81m/s^2
          • Assume the time of acceleration is 0.01 s and ignore air resistance.
      • Calculations
        • v = d / dt = 10 / 0.38 = 26.3158 m/s
        • a = dv / dt = 26.3158 / 0.01 = 2.6316 * 10^3 m/s^2
        • 179.8g = 1.7638 *10^3
      • Analysis/Conclusion (Rating XP)
        • The person experiences almost instantaneous acceleration (or jerk) of 2.6316 * 10^3 m/s^2 when flicked by Megatron. He manages to scream while he is flying and then collides with a cab experiencing the same acceleration again. He maintains his original physical form without sign of injury.
          • In real life, the world record for the person who survived through most force has received 179.8g of force in a crash during a Formula One racing. However, he had many safety equipments that absorbed most of the impact and still barely survived.
            • If someone without any safety equipment undergoes an instantaneous acceleration of 2.6316 * 10^3 m/s^2 the person would most likely “pop” or get crushed on the spot. Even with the best safety equipment, the person would most likely die.
    • Works Cited
      • www.wikipedia.org
      • www.youtube.com
      • www.onlinestopwatch.com