perpendicular distance
What perpendicular distance means in Mathematics A-Level, as defined for AQA, Pearson Edexcel, WJEC.
Definitions of perpendicular distance
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Reference: Pearson Edexcel
The distance from the point to the line of action of the force, used in moment calculations, or found by resolving the force into components perpendicular to a given line.
The distance d from the pivot to the line of action of the force, used with the force magnitude in Moment = F × d.
The shortest distance measured at right angles from a pivot to the line of action of a force.
Topics that use perpendicular distance
- P: Quantities and units in mechanics (AQA A-Level)
- Moments (Pearson Edexcel A-Level)
- Quantities and units in mechanics (A2 Unit 4: Applied Mathematics B) (WJEC A-Level)
Related terms
- moment
- moment of a force
- Equilibrium
- force
- friction
- limiting equilibrium
- normal reaction
- principle of moments
Using perpendicular distance in the exam
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