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WME01 Mechanics 1 — IAL Mathematics Unit 5 · Study-IAL

Subjects
Mathematics
WME01

Mechanics 1

WME01Unit 56 topics · 16 questions

Practise this unit Practise weak topics

Topics

1.1Mathematical models in mechanics2 questions
1.2Vectors in mechanics3 questions
1.3Kinematics of a particle in a straight line3 questions

Key formulae

The relationships this unit leans on most. Check your formulae or data booklet for which ones the exam gives you.

1.3Kinematics of a particle in a straight line

$v = u + at, \quad s = ut + \tfrac{1}{2}at^2$

1.4Dynamics of a particle3 questions

1.5Statics of a particle3 questions

1.6Moments2 questions

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21at2

constant acceleration

$v^2 = u^2 + 2as, \quad s = \tfrac{1}{2}(u + v)t$

constant acceleration

1.4Dynamics of a particle

$F = ma$: Newton's second law, along the direction of motion
$I = mv - mu$: impulse equals change in momentum

1.5Statics of a particle

$F \leq \mu R$: friction; $F = \mu R$ when limiting (about to slip)

1.6Moments

$\text{moment} = Fd$: force × perpendicular distance from the pivot