Porisma
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Vectors: magnitude, direction and products

Add, subtract and scale vectors · Diagrams

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Commutative and associative addition paths

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Top: routes a then b and b then a around a parallelogram have the same resultant. Bottom: a then b then c has intermediate diagonals a+b and b+c; both groupings give the same final displacement.
Top: routes a then b and b then a around a parallelogram have the same resultant. Bottom: a then b then c has intermediate diagonals a+b and b+c; both groupings give the same final displacement.
Top: routes a then b and b then a around a parallelogram have the same resultant. Bottom: a then b then c has intermediate diagonals a+b and b+c; both groupings give the same final displacement.
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