How does a specially shaped heavy weight roll up a pair of gentle inclined tracks without any applied force to it? Is it something to do with distribution of centre of mass and special tracks built for it?
It's definitely not an illusion!
2006-09-30 02:18:02 · 6 answers · asked by how1andwhy2 2 in Science & Mathematics ➔ Engineering
Does anyone can point me to any web link about this?
2006-09-30 03:09:46 · update #1
First possibility:
Two incline tracks with the lower end tapered closer than the top two. (Ref 1) The tracks decline downhill, where the tracks broaden, the sphere "falls" upwards.
See activity of the week point 3.
Second possibility: (Ref 2.)
Less likely, the tracks being parallel, the vibration of magnetism similar to a neutron has a magnetic dipole moment made of spinning electric charges to change the movement vector.
2006-09-30 03:15:01 · answer #1 · answered by pax veritas 4 · 0⤊ 0⤋
Did the tracks, while running uphill, separate from bottom to top?
That is the gap between them was narrow at the bottom and wider at the top, and the object put on the track was narrow at the ends and wider in the middle? If this was the case then it was set up so the centre of gravity of the object was actually going downhill, between the tracks as the object appeared to roll up the tracks. It has to do with the tracks being set up at the correct angle and the angle of the incline from the centre of the object to the ends.Check the horizontal centre line through the ends of the object when at the narrow ends of the track, when the wider centre is on the track, and again when it is at the "top" of the track, when it is resting on the narrow ends, and the centre line will actually be slightly lower. While it appears to roll up the track, it is actually rolling down the incline of the object itself.
2006-09-30 02:43:05 · answer #2 · answered by Allan E 1 · 1⤊ 0⤋
You gave the clue yourself, "specially shaped heavy weight." If the center of gravity is offset (eccentric) from the center of rotation, the weight could roll on a gentle slope from a position with the C.G. above the axis of rotation to below it. It should not be possible for it to rotate more than one turn (and likely less). The offset C.G. could be produced by "shape" or different density materials (lead and aluminum?) on different sides of the rim, etc.
2006-09-30 02:55:22 · answer #3 · answered by Kes 7 · 1⤊ 0⤋
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2016-11-25 03:51:13 · answer #4 · answered by ? 3 · 0⤊ 0⤋
It's an illusion. Like magnetic hill in Nova Scotia Canada.
You cannot defy or overcome gravity.
2006-09-30 02:20:43 · answer #5 · answered by Anonymous · 0⤊ 0⤋
To Yoda Green:
Yes you can defy and overcome gravity. How do you think people sent rockets to the moon?
Gravity is just a force, if you apply a stronger force you defy it.
2006-09-30 02:24:34 · answer #6 · answered by Anonymous · 0⤊ 0⤋