62 relations: Anatomical terms of motion, Angular acceleration, Angular velocity, Axial precession, Axial tilt, Axle, Carousel, Center of mass, Centrifugal force, Centrifuge, Centripetal force, Circular motion, Circular orbit, Concepts of Physics, Coriolis force, Cross product, David Halliday (physicist), Deformation (mechanics), Displacement (vector), Dynamics (mechanics), Elliptic orbit, Euclidean vector, Euler's rotation theorem, Fan (machine), Ferris wheel, Fictitious force, Figure skating, Flywheel, Frequency, Fundamentals of Physics, Gravity, Gyration, H. C. Verma, Instant centre of rotation, Jearl Walker, Kinematics, Kinetic energy, Linear motion, List of equations in classical mechanics, Moment of inertia, Nutation, Orbital period, Precession, Radian, Revolutions per minute, Revolving door, Right-hand rule, Rigid body, Robert Resnick, Rotation, ..., Rotation around a fixed axis, Rotation matrix, Rotational speed, Rotational symmetry, Run-out, Spheroid, Spin (physics), Stress (mechanics), Tangential and normal components, Torque, Translation (geometry), Two-body problem. Expand index (12 more) »

## Anatomical terms of motion

Motion, the process of movement, is described using specific anatomical terms.

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## Angular acceleration

Angular acceleration is the rate of change of angular velocity.

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## Angular velocity

In physics, the angular velocity of a particle is the rate at which it rotates around a chosen center point: that is, the time rate of change of its angular displacement relative to the origin.

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## Axial precession

In astronomy, axial precession is a gravity-induced, slow, and continuous change in the orientation of an astronomical body's rotational axis.

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## Axial tilt

In astronomy, axial tilt, also known as obliquity, is the angle between an object's rotational axis and its orbital axis, or, equivalently, the angle between its equatorial plane and orbital plane.

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## Axle

An axle is a central shaft for a rotating wheel or gear.

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## Carousel

A carousel (American English: from French carrousel and Italian carosello), roundabout (British English), or merry-go-round, is a type of amusement ride consisting of a rotating circular platform with seats for riders.

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## Center of mass

In physics, the center of mass of a distribution of mass in space is the unique point where the weighted relative position of the distributed mass sums to zero, or the point where if a force is applied it moves in the direction of the force without rotating.

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## Centrifugal force

In Newtonian mechanics, the centrifugal force is an inertial force (also called a "fictitious" or "pseudo" force) directed away from the axis of rotation that appears to act on all objects when viewed in a rotating frame of reference.

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## Centrifuge

A centrifuge is a piece of equipment that puts an object in rotation around a fixed axis (spins it in a circle), applying a force perpendicular to the axis of spin (outward) that can be very strong.

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## Centripetal force

A centripetal force (from Latin centrum, "center" and petere, "to seek") is a force that makes a body follow a curved path.

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## Circular motion

In physics, circular motion is a movement of an object along the circumference of a circle or rotation along a circular path.

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## Circular orbit

A circular orbit is the orbit with a fixed distance around the barycenter, that is, in the shape of a circle.

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## Concepts of Physics

Concepts of Physics is a calculus-based physics textbook by H. C. Verma.

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## Coriolis force

In physics, the Coriolis force is an inertial force that acts on objects that are in motion relative to a rotating reference frame.

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## Cross product

In mathematics and vector algebra, the cross product or vector product (occasionally directed area product to emphasize the geometric significance) is a binary operation on two vectors in three-dimensional space \left(\mathbb^3\right) and is denoted by the symbol \times.

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## David Halliday (physicist)

David Halliday (March 3, 1916 – April 2, 2010) was an American physicist known for his physics textbooks, Physics and Fundamentals of Physics, which he wrote with Robert Resnick.

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## Deformation (mechanics)

Deformation in continuum mechanics is the transformation of a body from a reference configuration to a current configuration.

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## Displacement (vector)

A displacement is a vector whose length is the shortest distance from the initial to the final position of a point P. It quantifies both the distance and direction of an imaginary motion along a straight line from the initial position to the final position of the point.

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## Dynamics (mechanics)

Dynamics is the branch of applied mathematics (specifically classical mechanics) concerned with the study of forces and torques and their effect on motion, as opposed to kinematics, which studies the motion of objects without reference to these forces.

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## Elliptic orbit

In astrodynamics or celestial mechanics, an elliptic orbit or elliptical orbit is a Kepler orbit with an eccentricity of less than 1; this includes the special case of a circular orbit, with eccentricity equal to 0.

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## Euclidean vector

In mathematics, physics, and engineering, a Euclidean vector (sometimes called a geometric or spatial vector, or—as here—simply a vector) is a geometric object that has magnitude (or length) and direction.

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## Euler's rotation theorem

In geometry, Euler's rotation theorem states that, in three-dimensional space, any displacement of a rigid body such that a point on the rigid body remains fixed, is equivalent to a single rotation about some axis that runs through the fixed point.

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## Fan (machine)

A mechanical fan is a powered machine used to create flow within a fluid, typically a gas such as air.

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## Ferris wheel

A Ferris wheel (sometimes called a big wheel, observation wheel, or, in the case of the very tallest examples, giant wheel) is an amusement ride consisting of a rotating upright wheel with multiple passenger-carrying components (commonly referred to as passenger cars, cabins, tubs, capsules, gondolas, or pods) attached to the rim in such a way that as the wheel turns, they are kept upright, usually by gravity.

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## Fictitious force

A fictitious force (also called a pseudo force, d'Alembert force, or inertial force) is an apparent force that acts on all masses whose motion is described using a non-inertial frame of reference, such as a rotating reference frame.

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## Figure skating

Figure skating is a sport in which individuals, duos, or groups perform on figure skates on ice.

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## Flywheel

A flywheel is a mechanical device specifically designed to efficiently store rotational energy.

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## Frequency

Frequency is the number of occurrences of a repeating event per unit of time.

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## Fundamentals of Physics

Fundamentals of Physics is a calculus-based physics textbook by David Halliday, Robert Resnick, and Jearl Walker.

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## Gravity

Gravity, or gravitation, is a natural phenomenon by which all things with mass or energy—including planets, stars, galaxies, and even light—are brought toward (or gravitate toward) one another.

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## Gyration

In geometry, a gyration is a rotation in a discrete subgroup of symmetries of the Euclidean plane such that the subgroup does not also contain a reflection symmetry whose axis passes through the center of rotational symmetry.

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## H. C. Verma

Harish Chandra Verma (born 3 April 1952) is an Indian experimental physicist and a retired professor at the Indian Institute of Technology Kanpur since 1994.

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## Instant centre of rotation

The instant center of rotation, also called instantaneous velocity center, or also instantaneous center or instant center, is the point fixed to a body undergoing planar movement that has zero velocity at a particular instant of time.

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## Jearl Walker

Jearl Walker (born 1945 in Pensacola, Florida) is a physicist noted for his book Flying Circus of Physics, first published in 1975; the second edition was published in June 2006.

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## Kinematics

Kinematics is a branch of classical mechanics that describes the motion of points, bodies (objects), and systems of bodies (groups of objects) without considering the mass of each or the forces that caused the motion.

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## Kinetic energy

In physics, the kinetic energy of an object is the energy that it possesses due to its motion.

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## Linear motion

Linear motion (also called rectilinear motion) is a one dimensional motion along a straight line, and can therefore be described mathematically using only one spatial dimension.

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## List of equations in classical mechanics

Classical mechanics is the branch of physics used to describe the motion of macroscopic objects.

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## Moment of inertia

The moment of inertia, otherwise known as the angular mass or rotational inertia, of a rigid body is a tensor that determines the torque needed for a desired angular acceleration about a rotational axis; similar to how mass determines the force needed for a desired acceleration.

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## Nutation

Nutation (from Latin nūtātiō, "nodding, swaying") is a rocking, swaying, or nodding motion in the axis of rotation of a largely axially symmetric object, such as a gyroscope, planet, or bullet in flight, or as an intended behavior of a mechanism.

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## Orbital period

The orbital period is the time a given astronomical object takes to complete one orbit around another object, and applies in astronomy usually to planets or asteroids orbiting the Sun, moons orbiting planets, exoplanets orbiting other stars, or binary stars.

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## Precession

Precession is a change in the orientation of the rotational axis of a rotating body.

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## Radian

The radian (SI symbol rad) is the SI unit for measuring angles, and is the standard unit of angular measure used in many areas of mathematics.

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## Revolutions per minute

Revolutions per minute (abbreviated rpm, RPM, rev/min, r/min) is the number of turns in one minute.

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## Revolving door

A revolving door typically consists of three or four doors that hang on a central shaft and rotate around a vertical axis within a cylindrical enclosure.

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## Right-hand rule

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

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## Rigid body

In physics, a rigid body is a solid body in which deformation is zero or so small it can be neglected.

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## Robert Resnick

Robert Resnick (January 11, 1923 – January 29, 2014) was a physics educator and author of physics textbooks.

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## Rotation

A rotation is a circular movement of an object around a center (or point) of rotation.

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## Rotation around a fixed axis

Rotation around a fixed axis or about a fixed axis of revolution or motion with respect to a fixed axis of rotation is a special case of rotational motion.

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## Rotation matrix

In linear algebra, a rotation matrix is a matrix that is used to perform a rotation in Euclidean space.

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## Rotational speed

Rotational speed (or speed of revolution) of an object rotating around an axis is the number of turns of the object divided by time, specified as revolutions per minute (rpm), cycles per second (cps), radians per second (rad/s), etc..

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## Rotational symmetry

Rotational symmetry, also known as radial symmetry in biology, is the property a shape has when it looks the same after some rotation by a partial turn.

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## Run-out

Run-out or runout is an inaccuracy of rotating mechanical systems, specifically that the tool or shaft does not rotate exactly in line with the main axis.

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## Spheroid

A spheroid, or ellipsoid of revolution, is a quadric surface obtained by rotating an ellipse about one of its principal axes; in other words, an ellipsoid with two equal semi-diameters.

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## Spin (physics)

In quantum mechanics and particle physics, spin is an intrinsic form of angular momentum carried by elementary particles, composite particles (hadrons), and atomic nuclei.

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## Stress (mechanics)

In continuum mechanics, stress is a physical quantity that expresses the internal forces that neighboring particles of a continuous material exert on each other, while strain is the measure of the deformation of the material.

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## Tangential and normal components

In mathematics, given a vector at a point on a curve, that vector can be decomposed uniquely as a sum of two vectors, one tangent to the curve, called the tangential component of the vector, and another one perpendicular to the curve, called the normal component of the vector.

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## Torque

Torque, moment, or moment of force is rotational force.

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## Translation (geometry)

In Euclidean geometry, a translation is a geometric transformation that moves every point of a figure or a space by the same distance in a given direction.

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## Two-body problem

In classical mechanics, the two-body problem is to determine the motion of two point particles that interact only with each other.

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## Redirects here:

Axes of rotation, Axis of rotation, Rotary motion, Rotation about a fixed axis, Rotational Motion, Rotational dynamics, Rotational mass, Rotational mechanics, Rotational motion, Spin axis, The process of rotation around a fixed axis.

## References

[1] https://en.wikipedia.org/wiki/Rotation_around_a_fixed_axis