buoyant force

buoyant force

for an object to float, the upward buoyant force must be equal to the downward gravity force.
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Air Pressure

The force exerted by air, whether compressed or unconfined, on any surface in contact with it.
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Friction

Force that opposes the motion between two touching surfaces. works against motion.
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Air Resistance

Force that opposes the motion of the objects that move through the air.
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normal

the force perpendicular to an objects surface that results in support
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Tension/elastic

Being stretched tight, or being pulled away.
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Electrical

operating by or producing electricity
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push/pull/grip

act of moving something. when you yank on something your way-pull. grip-tightening your hand around something.
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Gravity

Attractive force between two objects that depends on the mass of the objects and the distance between them.
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