Q:

What are some ways to increase friction?

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Quick Answer

The main source of attraction between two metals, or adhesion, is what causes friction, and any increase of friction requires an increase in adhesion. Friction itself is the force of resistance against two objects as one object slides or rolls over another. This force increases the amount of energy required to move an object a set distance.

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Full Answer

Increases in friction can be caused by a change in the surface of the objects in question or by increasing the pressure or volume of the gases or liquids surrounding it. Atmospheric conditions can increase friction by a small amount. An object with higher mass is affected by gravity to a greater degree, increasing its load and the amount of friction it puts into anything it moves against. Objects of sufficient size break up in the Earth's atmosphere because the friction creates heat and resistance that destroys the object.

Friction as a force is not always a factor in the motion of objects. In the vacuum of space, an object may be in motion for long periods without experiencing friction, allowing the object to move at a steady rate in a single direction until it meets an obstacle. Friction is only introduced when this object meets the mass of another object.

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Related Questions

  • Q:

    How can friction be reduced?

    A:

    Friction can be reduced by adding a lubricant or by smoothing and polishing surfaces, according to the HyperPhysics program at Georgia State University. For some substances, smoothing only reduces friction to a point, after which friction increases with further smoothing.

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  • Q:

    How can someone increase or decrease friction?

    A:

    Friction can be increased by increasing the surface roughness of the objects that are in contact while friction can be decreased by smoothing out the objects or stopping the objects if moving. There are two primary types of friction used in science: static friction and kinetic friction.

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  • Q:

    What is skin friction?

    A:

    According to the Mayo Clinic, skin friction occurs when the skin is resistant to motion, which in turn can lead to bedsores and skin injury. Skin friction is a common reaction to the skin being dragged across surfaces. Skin friction is typically more severe when the skin is moist.

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  • Q:

    What is fluid friction?

    A:

    Fluid friction is the resistance to an object's motion through a liquid or gas. When the motion is occurring in a liquid, it is referred to as viscous resistance. Resistance to an object moving through a gas, such as air, is termed air friction.

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