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What is retrograde motion and when does it occur?
Retrograde motion is the apparent backward movement of a planet as observed from Earth. This phenomenon occurs when Earth, on its faster orbit, overtakes and passes another planet, creating the illusion that the other planet is moving in reverse against the background stars. It typically happens with planets that are farther from the Sun than Earth, such as Mars, Jupiter, and Saturn, but can also apply to inner planets like Venus and Mercury during specific alignments.
In the geocentric model the earth at the center of the universe which motion would occur?
In the geocentric model, the motion of the celestial bodies would occur in complex patterns around the Earth. This model posited that the Sun, Moon, planets, and stars all revolved around the Earth in circular orbits. The geocentric model was later disproven by the heliocentric model proposed by Copernicus.
When is Mercury's Retrograde Expected?
Mercury has three - four retrograde periods each year. In 2016 Mercury is expected to go retrograde: January 5 to 25 April 28 to May 22 August 30 to September 22 December 19 to 31
Is it possible to have motion in absence of force?
Not according to Newtons Law: Forces = Mass X Acceleration However, in a vacuum, after you used your force on an object and it now has motion, the object will have motion for eternity, even when there is no force. So as a matter of fact, it is possible. Just not on any planet, only in outer space.
What solar system model did Galileo support and what evidences did he give to support this model?
Galileo supported the heliocentric model, which placed the Sun at the center of the solar system with planets, including Earth, orbiting around it. He provided evidence for this model through his observations of the phases of Venus, which could only occur in a heliocentric system where Venus orbits the Sun.
What is the definition of prograde rotation?
Retrograde motion is the opposite of prograde motion.So, retrograde motion is where a body is moving in the direction opposite to the movement of something else. Not to be confused with apparent retrograde motion. [See related link]If you were on a child's roundabout and your friend was running alongside in the same direction you were spinning, that would be prograde. If however, your friend turned around and ran the opposite way, that would be retrograde motion. [See related link for a pictorial]In astronomy:The Earth and four other planets rotate in the same direction as the Sun does; Prograde.Venus and Uranus rotate in the opposite direction; retrograde.Do not confuse this with retrograde revolution, as no planet revolves in the opposite direction to the Sun.See related link for a full explanation.
What is incipient motion?
Incipient Motion is motion that is about to occur.
In the geocentric model the earth at the center of the universe which motion would occur?
In the geocentric model, the motion of the celestial bodies would occur in complex patterns around the Earth. This model posited that the Sun, Moon, planets, and stars all revolved around the Earth in circular orbits. The geocentric model was later disproven by the heliocentric model proposed by Copernicus.
Where does motion occur?
motion occurs when any object is acted on by a force
Can motion occur when there are no forces?
yeah motion occurs. force is directly propotional to acceleration not motion.
Where regional (prograde) occur?
Retrograde metamorphism involves the reconstitution of a rock via revolatisation under decreasing temperatures (and usually pressures),
Does a change in motion occur only if a net force is exerted on an object?
No. Changes in motion can occur in other ways. A change in motion can occur if that object exerts a net force on another object, like another ball on a billiard table. The object could also bump into an immovable object and its motion would change.
What type of waves occur when the motion of the medium is parallel to the direction of the wave?
Longitudinal waves occur where the motion of the medium is parallel to the waves.
According to Aristotle What kinds if motion require no force?
Aristotle believed that natural motion, such as objects falling downward or fire rising upward, did not require any external force to occur. These types of motion were thought to be inherent to the nature of the objects themselves.
Does motion occur when there is a change in speed?
Motion occurs when there is speed. A change of speed is not required.
Does motion occur when there's a change in speed?
Motion occurs when there is speed. A change of speed is not required.
What plane of motion does an abdominal crunch occur in?
Sagital
