Modelling assumptions

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Last updated 2:39 PM on 6/17/26
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5 Terms

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Assumptions with particle:

  • Air resistance is ignored

  • Dimensions of the body is ignored

  • Rotational spin of body is ignored

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Smooth:

Frictional forces ignored

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Light // Light string

  • If light object, then mass of the object is ignored

  • If light STRING, assume TENSION is equal throughout the string

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Inextensible string:

  • Acceleration of both particles is constant

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If they ask a refinement for model…

  • Use a more accurate value for g

  • If constant resistance, have resistance vary with speed

  • Particle: consider dimensions, take the rotational spin into account, include air resistance

  • Smooth: Take into account friction

  • Light: Take mass into account, take wind speed and direction into account