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anonymous

  • one year ago

Physics Define Newton's first law, second law, as well as third law with full solution within single answer. First person to have the most accurate wording will be awarded medals from all participants.

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  1. anonymous
    • one year ago
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    Newton' first law=inertia

  2. anonymous
    • one year ago
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    *full solutions

  3. anonymous
    • one year ago
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    inertia=an object will keep moving unless unless acted upon by an unbalanced force

  4. anonymous
    • one year ago
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    correct

  5. imqwerty
    • one year ago
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    1st law - a body tends to remain at its original position. :) nd this is called inertia .example - when u shake a tree the fruits fall down cause they try to resist any change in their original position nd thus they fall :)

  6. anonymous
    • one year ago
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    second law: when force is applied to an object, acceleration is made

  7. anonymous
    • one year ago
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    @imqwerty you are contradicting yourself

  8. imqwerty
    • one year ago
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    lol :D

  9. anonymous
    • one year ago
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    @heretohelpalways not quite. Pay attention to the proportion

  10. anonymous
    • one year ago
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    between the force applied and resulting acceleration.

  11. anonymous
    • one year ago
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    with mass being the constant

  12. anonymous
    • one year ago
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    As well as the resulting acceleration with changing mass with constant being the force applied.

  13. anonymous
    • one year ago
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    Try to draw a relationship and describe each of them

  14. anonymous
    • one year ago
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    mass*acceleration=force

  15. anonymous
    • one year ago
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    yes

  16. anonymous
    • one year ago
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    BUt

  17. anonymous
    • one year ago
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    Try to explain the relationship between the amount of force applied and resulting acceleration.

  18. anonymous
    • one year ago
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    AND relationship between mass and acceleration given a force assumed to be constant

  19. anonymous
    • one year ago
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    example: 300*0.07= 21 newtons

  20. anonymous
    • one year ago
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    Yes.

  21. imqwerty
    • one year ago
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    :)

  22. anonymous
    • one year ago
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    Final answer being the applied force and resulting acceleration have a PROPORTIONAL RELATIONSHIP whereas mass and acceleration has INVERSE PROPORTIONAL RELATIONSHIP when force is kept constant.

  23. anonymous
    • one year ago
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    In essence.

  24. imqwerty
    • one year ago
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    how did i contradict myself

  25. anonymous
    • one year ago
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    elaborate

  26. anonymous
    • one year ago
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    balanced forces=net force of zero=that's not the case

  27. anonymous
    • one year ago
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    hmmmmm, I'll think of something

  28. anonymous
    • one year ago
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    Oh astrophysics came

  29. anonymous
    • one year ago
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    recoil of a gun when it fires

  30. anonymous
    • one year ago
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    That's a spot on

  31. anonymous
    • one year ago
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    can you elaborate the concept?

  32. anonymous
    • one year ago
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    Why aren't you shooting yourself with that? Why does recoil not kill you? Account for the drastic difference of surface areas being responsible for dispersion of forces into two opposite directions perfectly alined with one another.

  33. imqwerty
    • one year ago
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    example of 3rd law - when u walk u put force on ground nd the ground puts a normal force on u wid the help of which u can walk :)

  34. anonymous
    • one year ago
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    sorry, got to go now. I am being serious. I'll answer this question again later or tomorrow. I'll give a medal to imqwerty.

  35. anonymous
    • one year ago
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    Great! I hope you enjoyed my contest series @heretohelpalways

  36. anonymous
    • one year ago
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    I aim to make this stimulating for everyone .

  37. anonymous
    • one year ago
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    Mr. Astrophysics what have you got to say?

  38. imqwerty
    • one year ago
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    :) #$$%#$%

  39. Astrophysics
    • one year ago
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    I'll keep it simple I suppose. Newton's first law is a body acted on by no net forces with constant velocity (that means 0 acceleration) you can see this with a linear position time graph. You can also see this on a ice hockey table, the slicker the surface further the puck slides (given an initial velocity of course). So what you want to see from here is that when a body is at rest or moving with a constant velocity, we say it's at equilibrium, mathematically. \[\sum \vec F = 0\] don't forget the components! Newton's second law of motion is simply is net force = mass x acceleration, \[\sum \vec F = m \vec a\] writing it out we can say if a net external force acts on a body, the body accelerates. The direction of acceleration is the same as the direction of the net force where the m x a = the net force. I think you can think of your examples for this, pretty straight forward. Newton's third law often called action - reaction, it is stated as if a body A exerts force on body B (action) , then the body B exerts a force on body A (reaction), the two forces have the same magnitude but are opposite in direction. \[\vec F_{A~on~B} = - \vec F _{B ~ on~A}\] it's like a rocket blasting off, or kicking a ball, anything really. Hope that helps!

  40. anonymous
    • one year ago
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    @imqwerty medal to astrophysics

  41. Astrophysics
    • one year ago
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    Haha, thanks :)

  42. anonymous
    • one year ago
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    Are you a professional physicist?

  43. Astrophysics
    • one year ago
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    Nope! But I do aspire one to be!

  44. Astrophysics
    • one year ago
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    We do have one professional physicist here @Michele_Laino :-)

  45. anonymous
    • one year ago
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    Wow

  46. anonymous
    • one year ago
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    Are you taking physics in your unit I assume?

  47. Astrophysics
    • one year ago
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    Yup! I still have a long way to go haha.

  48. anonymous
    • one year ago
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    Certainly any degree of comparison would be absurd to 1st year medical student. XD

  49. anonymous
    • one year ago
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    Physics is just super amazing

  50. Astrophysics
    • one year ago
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    Haha, well medical students run away from physics :P

  51. Astrophysics
    • one year ago
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    Thanks for the medal, it was fun!

  52. anonymous
    • one year ago
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    Likewise! See you around.

  53. imqwerty
    • one year ago
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    :D

  54. anonymous
    • one year ago
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    `

  55. anonymous
    • one year ago
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    Interesting, Newton formulated his Second Law as a way to define acceleration, saying that a net force acting on a mass produces an acceleration in the same direction as the net force, i.e.\[\vec{a} = \frac{ \vec{F} }{ m }\]Only later was it adopted in its now familiar form\[\vec{F} = m \vec{a}\]

  56. Astrophysics
    • one year ago
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    Actually Newton proposed his second law as such, considering momentum \[\vec F = \frac{ d \vec p }{ dt }\]

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