Empty barrels are easily knocked over by the wind, but if they are filled with water, the wind cannot blow them over. What does this mean?

The force exerted by the wind on the sides of the empty bucket and the bucket filled with water is equal in magnitude, and the force arms on the bucket are also equal.

To turn the bucket over, the power and the power arm The product of should be greater than the resistance times the resistance arm. The gravity (resistance) of the bucket filled with water is greater than the gravity of the empty bucket. Therefore, under the same dynamic moment, a bucket with a large gravity is not easy to tip over.

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