2.4
Principal normal
∇
∫
Visual Calculus
Calculus III
Unit 1 · Multivariable and Vector Calculus Toolbox
1.1
Vectors in 2D
1.2
Vectors in 3D
1.3
Dot Product
1.4
Cross Product
1.5
Lines
1.6
Planes
1.7
Quadric Surfaces
1.8
Cylindrical & Spherical
Unit 2 · Vector Valued Functions
2.1
Space Curves
2.2
Vector Calculus
2.3
Arc Length
2.4
TNB Vectors
2.4
Principal normal
2.4
TNB frame
2.5
Curvature
Home
Calculus III
Section 2.4
2.4 N is the normal the curve bends toward
2.4
N is the normal the curve bends toward
Curve
road
Previous · 2.3
Arc length as the parameter: miles instead of minutes
Next · 2.4
The TNB frame and its three planes