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When a tree is cut, the cut is made on t...

When a tree is cut, the cut is made on the side facing the direction in which the tree is required to fall. Why?

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A cut on the tree is made on the side facing the direction in which the tree is required to fall because that side will no longer be supported by the normal force from the bottom, therefore the gravitational force tries to rotate it. So the torque given by the gravity to the tree makes the tree fall on the side as anticipated.
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