it's orbit is ellipticle so somewhere in orbit it's speed will be fast and slow but in uniform motion we say that when a body travels a path without changing the speed with same time
2007-04-10 19:22:27 · 10 answers · asked by Anonymous in Science & Mathematics ➔ Astronomy & Space
U r right abt the variation in speed but its still considered uniform motion.
Go to wikipedia.com for detailed answer.
2007-04-10 19:59:00 · answer #1 · answered by ๏๓ รђคภtเ, รђคภtเ รђคภtเ ....... ! 7 · 0⤊ 0⤋
All rotational motion is accelerated (non-uniform velocity) because acceleration includes changes in direction. So even if the orbits were perfect circles (uniform tangential velocity) the motion is still accelerated.
This applies to Euclidean (flat) space geometry only. To be technically accurate, according to the general theory of relativity, space around a massive body is not flat, and orbiting objects follow "geodesics" in the curved space, which are the equivalent of straight lines in flat space (i.e they are the shortest distance between points). From that point of view, orbiting objects are following "straight" lines and therefore are not accelerating. That is why they experience no force.
2007-04-10 19:29:08 · answer #2 · answered by gp4rts 7 · 1⤊ 0⤋
Rotatory motion, Uniform motion & random motion. All 3 are considered at the same time.
2007-04-13 19:14:40 · answer #3 · answered by Anonymous · 0⤊ 0⤋
Certainly not since as time passes the orbit as well as orbital velocity of the earth will change .
2007-04-11 00:09:55 · answer #4 · answered by pavan kumar NC 2 · 0⤊ 0⤋
no revolution of earth around sun isnt uniform motion because the orbit of earth is elleptical.......not perfectly circular........thus the sun is at one fo the focus points of the ellipse.....so when the earth is nearer to the sun it moves faster than when it is away from the sun........this happens due to keplers 3rd law------it has to cover equal areas of its orbit in equal time..........thus it has to move faster closer to the sun........can be better explained with teh help of an diagram of keplers 3rd law available in any 10 standard science book.......
2007-04-10 20:24:29 · answer #5 · answered by newt 1 · 0⤊ 0⤋
it's speed will not change!earth moves in a uniform circular motion.
2007-04-10 20:37:29 · answer #6 · answered by Anonymous · 0⤊ 1⤋
yes, its an example of uniform motion.
2007-04-10 19:45:35 · answer #7 · answered by Anonymous · 0⤊ 0⤋
yeah! i do think that it is uniform motion since the revolution is periodic.
2007-04-10 20:40:02 · answer #8 · answered by mali 1 · 0⤊ 0⤋
I believe so...
I havn't taken physics yet, but I read a lot of books about astronomy. I think it is.
2007-04-10 19:29:40 · answer #9 · answered by Anonymous · 0⤊ 0⤋
uniform circular motion....
2007-04-12 02:49:20 · answer #10 · answered by cutegal 2 · 0⤊ 0⤋