rotation about vs rotation along

Both 'rotation about' and 'rotation along' are correct, but they are used in different contexts. 'Rotation about' is commonly used to describe the axis or point around which an object rotates, while 'rotation along' is used to describe the direction or path of rotation.

Last updated: April 01, 2024 • 1361 views

This phrase is correct and commonly used in English.

"rotation about"

This phrase is used to describe the axis or point around which an object rotates. It indicates the central point of rotation.

Examples:

The Earth's rotation about its axis causes day and night.
The gymnast performed a perfect rotation about the horizontal bar.
The artist captured the rotation about the center of the sculpture in the painting.
The engineer calculated the rotation about the fixed point in the structure.
The dancer executed a graceful rotation about her partner.

Show examples from the web [+]

Reflection across a plain, translation, rotation about an axis or stretching along axes can be carried out sequentially, as a product of several transformations.
You can also use the right-hand rule for determining the default positive direction of rotation about an axis in 3D space. Point your right thumb in the positive direction of the axis and curl your fingers. Your fingers indicate the positive rotation direction about the axis.
The guides shall prevent motion in other directions including rotation about any axis.
± 20º axial rotation about the horizontal longitudinal center line of the coupling.
± 25º axial rotation about the longitudinal axis from the horizontal plane of the vehicle - see Figure 7.
(a) The body has an uniform rotation about the principal axis of inertia and the rotational angular velocity is equal or very near to a 3/2 n.
the movement of the bodywork section is assumed to be pure rotation about point "A".
The integrated interlocking screws of the INTERTAN system increase stability and resistance to both intra and post-operative fracture rotation about the implant by providing two points of fixation within the femoral neck and head.
In fact the effect of the lunar gravitational attraction on the seas determines an oval deformation of the equilibrium surface of the oceans, that follows the orbital motion of the Moon, that is about 27,5 times slower than the Earth rotation about its axis.
"Rotation angle (symbol ε)" means the angle indicating the orientation of the retro-reflecting material by an appropriate symbol with respect to rotation about the reference axis;
2.3.8. "Rotation angle (symbol ε)" means the angle indicating the orientation of the retro-reflecting material by an appropriate symbol with respect to rotation about the reference axis;
Yaw rate means the rate of change of the vehicle's heading angle measured in degrees/second of rotation about a vertical axis through the vehicle's centre of gravity.
The Moon has uniform rotation about an axis fixed in the Moon, the period of rotation being equal to the mean sidereal period of its orbit about the Earth (resonance spin/orbit 1:1).
A current collector shall achieve, as a minimum, a ± 55º rotation about the vertical axis of its attachment to the trolleybus and a ± 20º rotation about the horizontal axis of its attachment to the trolleybus.

Alternatives:

rotation around
rotation on
rotation upon
rotation surrounding
rotation at

This phrase is correct and commonly used in English.

"rotation along"

This phrase is used to describe the direction or path of rotation. It indicates the line or course along which an object rotates.

Examples:

The wheels of the car were in constant rotation along the road.
The planets in the solar system exhibit rotation along their respective orbits.
The dancer's arms moved in perfect rotation along with her body.
The windmill blades showed smooth rotation along the wind direction.
The gymnast's body maintained a straight rotation along the balance beam.

Show examples from the web [+]

The twist angle specifies the amount of rotation along the entire length of the sweep path.
Movement with five locking blocks placed along the rotation arch.
Movement with five locking blocks placed along the rotation arch. Pulling the lever the blocks are inserted automatically, not allowing the returning to the starting position except through a wanted movement.
Rectangular arrays are constructed along a baseline defined by the current snap rotation.
Now push your third finger along the ridge of the shoulder blade, making a small rotation as you do so.
Rotation of the worm inside the stator creates a series of hermetic gaps that are moved along the suction-delivery axis thereby creating the pumping action (see diagram at right).
Reflection across a plain, translation, rotation about an axis or stretching along axes can be carried out sequentially, as a product of several transformations.
This device allows rotation and marking around the circumference or along the axis of a part, without the need of a PC.
This is a preferred orbit for many communication satellites, because spacecraft moving along this path follow the rotation of the planet.
This means that you do not have limits of rotation during movement of the carriage along the slider
This strange rotation of the moon is maintained because the moon is slightly elongated along the axis which points towards earth.
If we cut a cube along a plane perpendicular to the rotation axis of order three (the one that goes through opposite vertices), we get hexagons or triangles.
Because of one of the movements of the terrestrial axis of rotation, called the precession of the equinoxes, the zodiacal signs slip slowly along the ecliptic circle in the retrograde direction compared to the constellations of the zodiac, looping a complete rotation in 25750 years.
This perturbing torque generates an additive angular momentum that acts along the perpendicular to the top rotation axis and is added vectorially to the main angular momentum, around the rotation axis.
Because nothing is lost and everything is transformed, these particles are threaded or sewn along a recycled sail halyard, and metamorphose into mobile jewelry moving in rotation in orbits, light end carefree around necks and wrist, in the sun found again.
They move forward by sliding along in a straight line, then they stop, shake slightly and restart in the opposite direction without any rotation, as though they have gone into reverse.
To maintain a secure hold during rotation, a small lumbar (SIJ) support also turns along with the seat surface.
The rotation of the taper angle is determined by the selection sequence of the base point and second point along the selected vector.
A set of engravings on the vicissitudes of the painting is exhibited in rotation at the Museo Ideale of Vinci, along with two versions of Duchamp's Mona Lisa L.H.O.O.Q.
And with a particular rotation, we can look down through this pattern in eight dimensions along a symmetry axis and see all the particles at once.

Alternatives:

rotation on
rotation through
rotation via
rotation following
rotation in

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rotation about vs rotation along

"rotation about"

"rotation along"

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