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having buoyancy; able to float
energy produced by a mineral ( spring, rubber band) when it is stretched ( pulled) or compressed ( pushed).
Any state of matter which can flow with relative ease, tends to assume the shape of its container, and obeys Bernoulli's principle; a liquid, gas or plasma
Resultant force on Earth's surface, of the attraction by the Earth's masses, and the centrifugal pseudo-force caused by the Earth's rotation.
The rubbing of one object or surface against another.
The force on an object due to the gravitational attraction between it and the Earth.
The action of friction that slows something moving through air.
In the International System of Units, the derived unit of pressure and stress; one newton per square metre. Symbol: Pa.
Mass (symbolized m) is a dimensionless quantity representing the amount of matter in a particle or object. The standard unit of mass in the International System (SI) is the kilogram (kg).
a push or pull requiring physical contact between an object or person and another object or person.