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Surface roughness creates additional contact points between two surfaces, increasing the amount of resistance to motion and leading to higher friction. Asperities on the surfaces interlock and require more force to overcome, resulting in greater frictional forces between the two surfaces. Smoother surfaces have fewer contact points, reducing friction.
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What does the friction graph reveal about the relationship between surface roughness and the force required to overcome friction?
The friction graph shows that as surface roughness increases, the force required to overcome friction also increases. This indicates that there is a positive relationship between surface roughness and the force needed to overcome friction.
What two variables affect friction?
The two variables that affect friction are the surface roughness of the materials in contact and the force pressing the surfaces together. As the roughness increases or the force increases, friction typically increases as well.
What are the main causes of friction?
The main causes of friction are roughness of surfaces, the force pushing the surfaces together, and the type of materials involved. Friction occurs when these factors create resistance to the motion of an object across a surface.
What are the variables for friction?
The variables that affect friction include the types of surfaces in contact, the force pressing the surfaces together, the roughness of the surfaces, and the presence of any lubricants or contaminants.
How does a surface affect friction?
A rough surface typically creates more friction compared to a smooth surface due to the increased contact points between the two surfaces. The roughness of a surface can create interlocking grooves and bumps, leading to a stronger resistance to motion. Conversely, a smooth surface allows for less resistance, resulting in lower friction.
How does roughness of surface that are touching affect the friction between the surface?
the rougher the surface is, the more friction there will be
What does the friction graph reveal about the relationship between surface roughness and the force required to overcome friction?
The friction graph shows that as surface roughness increases, the force required to overcome friction also increases. This indicates that there is a positive relationship between surface roughness and the force needed to overcome friction.
How does surface roughness affect friction?
answer it yourself ;)
What two variables affect friction?
The two variables that affect friction are the surface roughness of the materials in contact and the force pressing the surfaces together. As the roughness increases or the force increases, friction typically increases as well.
What are the main causes of friction?
The main causes of friction are roughness of surfaces, the force pushing the surfaces together, and the type of materials involved. Friction occurs when these factors create resistance to the motion of an object across a surface.
What factors affect the coefficient of friction between two surfaces?
Surface temperature, Weight of the object, Roughness of surface and the object
How do you determine what surface roughness is needed?
Depend on what you need in surface roughness. Some process like fluid flow through pipe would minimized the surface roughness of the pipe to reduce the pressure drop while for floor surface coating require friction to prevent slip and so it determine whether the roughness would provide enough friction to prevent person walking to slip. Different roughness might need if compare between dry and wet floor.
How does the roughness of surfaces that are toughing affect the friction between the surfaces?
The rougher a surface is, the higher the coefficient of static and kinetic friction will be.
What are the variables for friction?
The variables that affect friction include the types of surfaces in contact, the force pressing the surfaces together, the roughness of the surfaces, and the presence of any lubricants or contaminants.
How does a surface affect friction?
A rough surface typically creates more friction compared to a smooth surface due to the increased contact points between the two surfaces. The roughness of a surface can create interlocking grooves and bumps, leading to a stronger resistance to motion. Conversely, a smooth surface allows for less resistance, resulting in lower friction.
What are ways to increase friction?
1)increasing the roughness of the surface 2)increasing the mass of the object
How does friction act on an object?
Friction acts as a force that opposes the motion of an object when it is in contact with another surface. It occurs because of the roughness of surfaces interacting at a microscopic level. The amount of friction depends on the roughness of the surfaces and the force pressing them together.
