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In this article, we will discuss the factors affecting friction, including the coefficient of friction, surface roughness, the nature of the surface, the mass of the object, and the applied force.
Friction is a contact force. It acts against the movement of an object. There are many examples of where friction is a useful force. For example, friction is why we do not slip when we walk...
Friction arises in part because of the roughness of the surfaces in contact, as seen in the expanded view. In order for the object to move, it must rise to where the peaks can skip along the bottom surface. Thus a force is required just to set the object in motion. Some of the peaks will be broken off, also requiring a force to maintain motion.
Aug 17, 2022 · Friction occurs when one solid object rubs onto another. Objects that move through fluids such as liquid/gases can also cause friction. The friction will slow the object down. If the speed of the object increases, the friction will also increase.
Feb 17, 2023 · Friction or frictional force is defined as the force that resists an object’s motion on a surface. The object can either be stationary or in motion relative to the surface. Friction occurs where the object is in contact with the surface.
Friction is a force between two surfaces that are sliding, or trying to slide, across each other. For example, when you try to push a book along the floor, friction makes this difficult.
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Why does friction occur?
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Why do frictional forces always oppose motion?
Why is friction a contact force?
Why is friction considered a force?
Friction arises in part because of the roughness of the surfaces in contact, as seen in the expanded view. For the object to move, it must rise to where the peaks of the top surface can skip along the bottom surface. Thus, a force is required just to set the object in motion.
