Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) §15.1 Vector Fields, #25 · Multivariable Calculus · Vector calculus
The Earth's gravity field is radial, but in a room the field…
The Earth's gravity field is radial, but in a room the field lines seem to go straight down into the floor. This is because nearby field lines always look ______.
Gilbert Strang, Calculus, 3rd edition (Wellesley-Cambridge Press; MIT OpenCourseWare RES.18-001) · §15.1 Vector Fields, #25
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