Is it possible to shift center of gravity so you cannot be lifted?

Answer 1

Yes, it is possible to make yourself harder to lift. By shifting your center of gravity , which is usually referred to as your hips, down you can make it much harder to be lifted. It depends on which kind of lift, but this usually does the trick.

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Shifting your center of gravity does not make you heavier. It shifts the point where your body is balanced.

Answer 2

No, the center of gravity cannot be shifted to prevent being lifted. The center of gravity is a fixed point based on the distribution of mass in an object, so changing it would require physically altering the object itself.