Variables-Yoyo Sleeper Time

Yoyo Sleeper Time with Lubrication
The problem that I am severe to figure step up is the perfect derive of lubrication to apply to a yoyo, to get the longest repose cartridge clip. The yoyo I use has a lout barring in the middle of it, to make the sleep time great. But afterward awhile, the stock lubrication wares off and you make to re-apply. But when you are given your yoyo they dont notify you how much they employ. I predict that if I add a lower amount of lubrication, between 2-4 drops, that it would be the best amount to apply, causing it to consume a longer sleep time than a large amount of lube. So to test this, I can add 1 drop of lubrication to my barring in my yoyo, then throw a sleeper, record the time, then watch to add drop by drop. When I start the examen I need to make sure I have constants so the results dont get unbalanced. There is the drag length, string compositors case, type of yoyo, amount of force applied in to the throw, and the akin ball barring. The string must be the corresponding length because it effects the swing back time of the sleeper. The type is also very important because if you would have used a used string, it would be skinny and worn down on the edges. So after every(prenominal) test, swap the string out with another brand new one.



The yoyo needs to be the aforementioned(prenominal) because some are better at sleeping than others, which bequeath vary the sleep time drastically. The amount of force applied it just common sense. If you barley throw it, the yoyo will plainly sleep for a few seconds; Where if you apply a greater amount of force, the sleep time would go up. And lastly, using the same ball barring is the key to this experiment because after every test, you need to apply one more drop to the call for same barring. The independent variant is the amount of lubrication applied. The dependent variable is the spin time of the yoyo. The control is using the same ball barring, and adding 1 drop at a time after each test.
Amount of Lubrication (Drops)Sleep Time (seconds)
None25seconds
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