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Table. 3.

Answers for the meaning of the curl.

Category Answers No. of responses
Rotation Rotation/ Rotation/ Rotation/ Determining the rotationality of a vector/ Degree of swirling/ Rotational force/Rotational force/ Analysis of the rotatability of a function/ Checking if the physical quantity is spinning/ Rotation operator 10(37%)
Besides rotation xi^+yj^+zk^/ =iddx+jddy+kddz/ x+y+z/ Partial differentiation for each element in determinant calculation/ Helping with calculations in each direction/ Outer product of vector field/ Partial derivative/ Operators used to compute vectors related to conservation/ Vector operator 9(33%)
No answer 8(30%)
Total 27(100%)
New Phys.: Sae Mulli 2024;74:1047~1059 https://doi.org/10.3938/NPSM.74.1047
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