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Falstad offers several graphical simulations of vector mathematics

  •  Dot Product of Two Vectors

http://www.falstad.com/dotproduct/

 

  •  Matrix for vector transformation

http://www.falstad.com/matrix/

 

  •  2D Vector Field

http://www.falstad.com/vector/

 

  •  3D Vector Field

http://www.falstad.com/vector3d/

  

  • The Vector Addition simulation from PhET offers simple 1-D and 2-D configurations to experiment with adding vectors at various magnitudes and angles.

https://phet.colorado.edu/en/simulation/vector-addition

 

  • This simple vector calculator from B. Surendranath is useful for illustrating vectors in the classroom, as it breaks down the components.

https://www.surendranath.org/GPA/Math/VectorComp/VectorComp.html

 

Additonally, T. Walsh at oPhysics has a selection of interactive vector addition and subtraction simulations suitable for teaching, and an interactive quiz for student practice.

 

  • Vector Addition

https://www.ophysics.com/k1.html

 

  • Vector Addition and Subtraction

https://www.ophysics.com/k2.html

 

  • Vector Components

https://www.ophysics.com/k3.html

 

  • Vector Addition & Subtraction Practice 

https://www.ophysics.com/k3b.html