Vertical Plane

When objects are rotated on a vertical place, they feel both W and N. The sum of these forces is equal to the centripetal force (this is common to all circular motion problems).

The normal force pushes against the object and points to the centre if inside the circle

Normal force = apparent weight
If N is less than or more than W, you would feel lighter or heavier, respectively.

vertical plane diagram

vertical plane vector


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