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    Forces require a determinate magnitude and direction at e... — Carmelics
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    Challenges→Drift is a force, though less force-like than selection, mutation, and migration

    Forces require a determinate magnitude and direction at each instant, as established in classical mechanics (Newton, Bigelow et al. 1988).

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    1 reason for
    1 reason against

    Reasons For

    1 perspective
    Reason for
    ?
    • 1.Newton's laws of motion require specifying F=ma at each instant, which demands determinate magnitude and direction.
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    • 2.Empirical success of classical mechanics in prediction depends on treating forces as having definite values at each moment.
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    • 3.Mathematical formalism of differential equations governing motion presupposes force vectors with determinate properties.
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    Reasons Against

    1 perspective
    Reason against
    ?
    • 1.Quantum mechanics shows forces arise from field interactions without determinate values prior to measurement.
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    • 2.Classical mechanics is an approximation; forces at microscopic scales lack the determinacy claimed for all physics.
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    • 3.Instantaneous determinate values are idealizations; actual physical systems involve continuous fields without point-values.
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    Related

    Classical mechanics is an approximation; forces at microscopic scales lack the d...Drift is a force, though less force-like than selection, mutation, and migrationEmpirical success of classical mechanics in prediction depends on treating force...Instantaneous determinate values are idealizations; actual physical systems invo...
    +3 moreShow less
    Mathematical formalism of differential equations governing motion presupposes fo...Newton's laws of motion require specifying F=ma at each instant, which demands d...Quantum mechanics shows forces arise from field interactions without determinate...

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    claim
    Perspectives
    2 (1 for, 1 against)
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    1 edit