Chapter 8 Modelling with Mechanics

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A-Level Mathematics

Edexcel

Mechaincs

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8 Terms

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Particle

  • Rotational forces and air resistance ignored

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Lamina

Mass distributed across a flat surface

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Light Object

  • Object mass is zero

  • Tension is the same at both ends of the light string

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Inextensible String

Acceleration is the same in object connected by an inextensible string

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Rough Surface

Frictional force present

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Smooth and Light Pulley

  • Pulley = no mass

  • Tension is the same on either side of the pulley

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Bead

  • Moves freely along the wire or the string

  • Tension is the same on either side

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Gravity

  • Assume that all objects with mass are attracted towards Earth

  • Vertically downwards 9.8