Right-hand rule

Left-handed coordinates on the left Right-handed coordinates on the right.

Conventional direction of the axis of a rotating body

Screw threads form a helix. For a right-handed screw the threads on the right are always slightly higher than those on the left, regardless of whether the screw is pointing up or down.

Prediction of direction of field (B), given that the current I flows in the direction of the thumb

In mathematics and physics, the right-hand rule is a common mnemonic for understanding orientation conventions for vectors in three dimensions.

Most of the various left- and right-hand rules arise from the fact that the three axes of 3-dimensional space have two possible orientations. This can be seen by holding your hands together, palm up, with the fingers curled. If the curl of your fingers represents a movement from the first or X axis to the second or Y axis then the third or Z axis can point either along your left thumb or right thumb. Left- and right-hand rules arise when dealing with co-ordinate axes, rotation, spirals, electromagnetic fields, mirror images and the problem of chirality in chemistry.

单词	Corkscrew rule
释义	Corkscrew rule 英语百科 Right-hand rule In mathematics and physics, the right-hand rule is a common mnemonic for understanding orientation conventions for vectors in three dimensions. Most of the various left- and right-hand rules arise from the fact that the three axes of 3-dimensional space have two possible orientations. This can be seen by holding your hands together, palm up, with the fingers curled. If the curl of your fingers represents a movement from the first or X axis to the second or Y axis then the third or Z axis can point either along your left thumb or right thumb. Left- and right-hand rules arise when dealing with co-ordinate axes, rotation, spirals, electromagnetic fields, mirror images and the problem of chirality in chemistry.
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Corkscrew rule

Right-hand rule