Table of Contents
- 1 What force keeps a top spinning?
- 2 How long can a Foreverspin top spin?
- 3 What motion is a spinning top?
- 4 What is the longest time a Beyblade has spun?
- 5 What does a spinning top symbolize?
- 6 Why does a spinning top not topple?
- 7 What causes precession in a gyroscope?
- 8 Why does the top of a skyscraper spin?
What force keeps a top spinning?
Gravity
Gravity affects the spin of a top in another way: gravitational torque. The force used to accelerate the top in a spinning motion provides the top with angular momentum. Gravitational torque is produced when the top’s axis of rotation is slightly tipped or the mass is not perfectly centered along the vertical axis.
How long can a Foreverspin top spin?
Nimrod explained that the motorised spinning top’s long-lasting spin is due to its small size and minimal energy consumption. Though the record attempt was stopped at just over 27 hours, Nimrod claims the spinning top can rotate for up to 30 hours.
What causes a spinning top to slow down?
A spinning top precesses slowly around a vertical axis through its point of support while it spins rapidly about its own axis. The usual �explanation� is that the change in angular momentum must be in the same direction as the torque on the top – that is, in the sideways direction.
Why does a spinning top change direction?
The phenomenon is caused by the fact that the top exhibits unstable rotation in other axes besides the one it’s spinning in. As the top loses momentum in the key direction, and it falls over, the spin in one of the other directions can be transferred into the stable one.
What motion is a spinning top?
Thus, from this discussion we can easily conclude that a spinning top executes rotational motion since rotational motion is formally defined as the type of motion in which a body moves in a circle about a single line which is the axis of rotation.
What is the longest time a Beyblade has spun?
38 hours
Saptarshi Sadhu, an undergrad at IIT Kharagpur has created the envy of every Beyblade fan- a top that spins for a whopping 38 hours! It earned him the Guinness World Record for the longest spinning mechanical top.
What is the longest time a top has spun?
27 hours 9 minutes and 24 seconds
The spinning top also holds the Guinness World Record title for the longest running mechanical spinning top. The exact time duration of its world record spin is 27 hours 9 minutes and 24 seconds.
How can I make my top spin faster?
Spin the top so that it starts spinning as straight up and down as possible. Anything less than perfectly straight up and down will cause a more rapid loss of energy as the top will travel in a circular path until it rights itself. This slows the Schulte down faster than when it is spinning in place.
What does a spinning top symbolize?
A spinning top is a candlestick pattern that has a short real body that’s vertically centered between long upper and lower shadows. The candlestick pattern represents indecision about the future direction of the asset. It means that neither buyers nor sellers could gain the upper hand.
Why does a spinning top not topple?
The weight of the top due to gravity causes a torque that is responsible for the change in angular momentum. Due to this change in angular momentum, it forces the top to right itself when sufficient rotational speed is provided,and it does not fall.
What is the difference between a spinning top and gyroscope?
1. A spinning top is governed by the gyroscopic effect. 2. A gyroscope will spin about a constant axis unless acted on by a couple* – eg the Earth’s axis is at a constant 23.5 degrees, kept stable by the spin of the Earth.
Why does a spinning top remain upright for the duration?
A spinning top remains upright for the duration of the spin because the speed causes atmospheric conditions..or ambient conditions..to affect the top as if the top is perfectly spherical or circular.
What causes precession in a gyroscope?
When a top starts to fall over it’s being physically rotated by gravity. But rather than falling, it moves sideways, resulting in “ precession “. The gyroscope (or top or whatever) spins in one direction, gravity tries to rotate it in a second direction, but it actually ends up turning in the third direction.
Why does the top of a skyscraper spin?
Things are different if the top is spinning quite slowly, roughly the same sort of speed as the top got to in 2. Then we see the top is verging on toppling. This is because gravity is now capable of producing the “spin” required about the horizontal axis as observed when the top falls over.