➕ Vectors

Chapter 2 · 4 simulations — tap one to open it.

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Chapter 2

Vector Resultant & Components

Add two vectors, see the resultant and split a vector into components.

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Chapter 2

River–Boat (Relative Velocity)

Cross a river three ways: shortest time, shortest path and a 45° heading.

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Chapter 2

Dot & Cross Product

Two vectors, one angle — see A·B (projection) and A×B (parallelogram area).

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Chapter 2

Gradient, Divergence & Curl

Visualise the ∇ operator on scalar and vector fields — slope, source/sink and swirl.