(prē-sĕsh′ən) 1.
The act or state of preceding; precedence
. 2. Physics The motion of the axis of a spinning body, such as the wobble of a spinning top, when there is an external force acting on the axis.
What is a synonym for precession?
In this page you can discover 10 synonyms, antonyms, idiomatic expressions, and related words for precession, like:
nutation
, precedence, precedency, precess, doppler effect, fixed-stars, sidereal, obliquity, perihelion and Milankovitch.
What does precession mean in English?
(prē-sĕsh′ən) 1.
The act or state of preceding; precedence
. 2. Physics The motion of the axis of a spinning body, such as the wobble of a spinning top, when there is an external force acting on the axis.
What do you mean by the precession of the Earth?
Such a motion is called precession and consists
of a cyclic wobbling in the orientation of Earth’s axis of rotation with a period of 25,772 years
. Precession was the third-discovered motion of Earth, after the far more obvious daily rotation and annual revolution.
What do you mean by spin and precession?
A spin precession is
a change in the orientation of the rotational axis
. If it happens that the axis of rotation of a body is itself rotating about a second axis that body is said to be precessing about the second axis. … It is also known gyroscopic precession.
What is precession with example?
Precession is a change in the orientation of the rotational axis of a rotating body. … An important example is
the steady change in the orientation of the axis of rotation of the Earth
, known as the precession of the equinoxes.
What is the difference between nutation and precession?
Precession is the slow, toplike wobbling of the spinning Earth, with a period of about 25,772 years. Nutation (Latin nutare, “to nod”)
superimposes a small oscillation
, with a period of 18.6 years and an amplitude of 9.2 seconds of arc, upon this great slow movement.
What is the opposite of precession?
We have listed all the opposite words for precession alphabetically.
inferiority
.
inability
.
inadequacy
.
lack
.
What is a antonym for procession?
procession. Antonyms:
rabble
, herd, rush, disorder, mob, confusion, rout. Synonyms: train, march, caravan, file, cortege, cavalcade, retinue.
What is the synonym of the word procession?
parade, march,
cavalcade
, motorcade, carcade, cortège. column, file, train.
What are the effects of precession?
Precession
causes the stars to change their longitude slightly each year
, so the sidereal year is longer than the tropical year. Using observations of the equinoxes and solstices, Hipparchus found that the length of the tropical year was 365+1/4−1/300 days, or 365.24667 days (Evans 1998, p.
What is precession and what are its effects?
Precession refers
to a change in the direction of the axis of a rotating object
. In certain contexts, “precession” may refer to the precession that the Earth experiences, the effects of this type of precession on astronomical observation, or to the precession of orbital objects.
What causes the season?
Seasons occur because
Earth is tilted on its axis relative to the orbital plane
, the invisible, flat disc where most objects in the solar system orbit the sun. Earth’s axis is an invisible line that runs through its center, from pole to pole. Earth rotates around its axis.
How do you calculate precession?
ω P = r M g I ω
. ω P = r M g I ω . In this derivation, we assumed that ω P ≪ ω , ω P ≪ ω , that is, that the precession angular velocity is much less than the angular velocity of the gyroscope disk. The precession angular velocity adds a small component to the angular momentum along the z-axis.
What do you mean by spin?
1 :
to turn or cause to turn round and round rapidly
: twirl He fell after spinning in circles. 2 : to make yarn or thread from (fibers) He spun the silk into thread. 3 : to make (yarn or thread) from fibers She was spinning yarn from wool.
What is gyroscopic couple?
If a body having moment of inertia I and rotating about its axis at ω rad/sec is also caused to turn at ωp rad/sec about an axis perpendicular to axis of spin then it experiences a gyroscopic couple of
magnitude Iω ωp in an axis
which is perpendicular to both the axis of spin and axis of precession.
