Quick Answer:The Anti Gravity Cone is a double cone that seems to roll uphill on a pair of diverging V-shaped rails; in fact its centre of gravity drops as the rails spread apart, which makes it a memorable lesson in centre of gravity and potential energy.
Last updated: 18 October 2026
Key Features
Diverging V-shaped incline with a balanced double cone.
Symmetrical double-ended cone.
Diverging rails, adjustable or fixed.
Seasoned hardwood or high-impact polymer construction.
Frame with levelling support.
Technical Specifications
Specification
Value
Layout
Diverging V-shaped incline with double cone
Material
Seasoned hardwood or high-impact polymer
Rails
Diverging, adjustable or fixed
Rolling body
Symmetrical double cone
Base
Frame with levelling support
How It Is Used
Placed at the narrow, low end of the rails, the cone rolls towards the wide, raised end. Measuring the height of the cone's axis at both ends shows that it actually falls, because the rails widen faster than they rise, so the cone is simply moving to lower its potential energy.
Frequently Asked Questions
Does the cone of the Anti Gravity Cone really roll uphill?
No. Although the rails rise, they also spread apart, so the cone sinks between them and its centre of gravity moves downwards. It shows a body moving to lower its potential energy.
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