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Check spatial thinking
Imagine being inside a large circle rolling small diameter exactly twice less.
In the small circle has a red dot.
Try to imagine in your mind - at what trajectory it will move? Round? Spiral? .. Do not rush to look under the cut answer, first think.
For example, I could not.
Taken: mi3ch.livejournal.com/
Source:
In the small circle has a red dot.
Try to imagine in your mind - at what trajectory it will move? Round? Spiral? .. Do not rush to look under the cut answer, first think.
For example, I could not.
Taken: mi3ch.livejournal.com/
Source:
