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how hard the surfaces push to gether the types of surfaces involved
Mass and distance
Frictional force is the force that opposes motion between two surfaces.
First the normal force or the force perpendicular to the ground and then the coefficient of friction which has different values based on "type of surface", "wet/dry/lubricated", "object in motion or at rest", etc.
The motion of the particles and the strength of attraction between the particles determine a material's state of matter.
how hard the surfaces push to gether the types of surfaces involved
Mass and distance
The product of the masses of the two objects, and the distance between them.
Frictional force is the force that opposes motion between two surfaces.
Usually a temperature scale is used to test the relative bond strength between atoms. The temperature required to break the bonds determines the bond strength.
The bond strength between the ions and the molecules in the solvents determines the solublity of ions in a particular solvent.
the chemical stability of minerals is depedent on the strength of the chemical bonds between atoms in the mineral.
Frictional.
The strength of the minerals chemical bond between its atom determines its chemical stability .
The same factors that determine the force of gravity between ANY objects. (1) The masses involved, (2) the distance between the masses.
Frictional force
Viscous drag