right-hand rule
The "right-hand rule" is a mnemonic tool widely used in various fields like physics, mathematics, and engineering to determine directions of vectors and rotational forces in three-dimensional space.
Definition
C1Physics
(technical, academic)A mnemonic for determining the direction of vectors such as magnetic force or angular momentum, using the perpendicular alignment of the thumb, index finger, and middle finger of the right hand.
Example
- Using the right-hand rule, you can find the direction of the magnetic force on a current-carrying wire.
C1Mathematics
(technical, academic)A convention in vector calculus and coordinate systems to establish a standard orientation of axes, where the thumb points along one axis and the curl of the fingers shows the positive rotation direction.
Example
- In a right-handed coordinate system, the right-hand rule helps determine the positive direction of rotation.
C1Engineering
(technical, academic)A method to find the direction of torque or rotational force, where curling the fingers in the rotation direction makes the thumb point in the torque vector direction.
Example
- Engineers use the right-hand rule to determine the direction of torque in mechanical systems.
B2Maze Solving
(general, informal)A systematic approach to solving mazes by consistently following right-hand turns.
Example
- By applying the right-hand rule, she was able to navigate through the maze successfully.
Similar
Terms that have similar or relatively close meanings to "right-hand rule":