For example, when we turn in a bike, we have to bend slightly inward for the centripetal force. However, considering there’s no concept of “ground” underwater, do submarines still have to bend inwards? If yes, is it for the same reason as bikes?
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You only have to bend on bikes
A) your contact area to the ground is very shallow, so even a bit of centripetal force will have your resulting g vector point outside the contact area, causing you to fall over. If you’re not **on** the ground, or have a wider contact area (like a car), the centripetal force can’t throw you of balance (as easily)
B) Bikes have a really high center of gravity, which greatly exacerbates the effects in A)
Neither of those applies to subs.
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