Frictional Forces
Definition
Frictional forces are resistive forces that oppose motion when two surfaces are in contact with each other. They can be either static or kinetic, depending on whether there is relative motion between the surfaces.
Analogy
Imagine trying to slide a heavy box across a rough floor. The resistance you feel as you try to move the box is similar to frictional forces. Just like it's harder to slide the box on a rough surface compared to a smooth one, frictional forces make it more difficult for objects to move against each other.
Related terms
Gravitational constant (G): The gravitational constant (G) represents the strength of the gravitational force between two objects.
Normal Forces: Normal forces are contact forces exerted by a surface to support an object resting on it.
Air Resistance: Air resistance is a type of frictional force that opposes the motion of an object through air or any fluid medium.
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