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Surface friction ALWAYS point parallel to the surface and opposite motion. There must be a normal force for there to be friction
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How do surface affect friction?
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
How does the surface of an object affect friction?
the smoother a surface is, the less friction it produces.
When an object roll over a surface the kind of friction that occurs is called friction?
When an object rolls over a surface, the friction that occurs is called rolling friction. Rolling friction is lower than sliding friction, which occurs when an object slides along a surface. Rolling friction results from the deformation of the object and the surface it is rolling on.
What is the friction that exits between a surface sliding on another surface is called?
If the two surfaces are moving relative to each other, then the friction between them is Kinetic Friction. Prior to the surfaces moving there was Static Friction between them.
When an object rolls over a surface the kind of friction that occurs is called friction.?
The friction that occurs is Rolling Friction
What is the force that resist the movement of one surface past another surface is called?
A force that resists motion of one surface across another surface is called FRICTION(or FRICTIONAL FORCE)
When a body slides over a surface the kinetic friction and static friction related as?
Kinetic friction is the friction that applies when an object is moving; static friction is the friction that applies when the object is not moving. Static friction must always be greater than, or equal to, kinetic friction.
Does surface type affect the force of friction?
If two interacting surfaces have bumpy surface area then friction will increase. Friction will be less if the surfaces are smooth and less deceleration for the object moving on this type of surface. Frictional force decreases the magnitude of forward force.
When an object rolls over a surface the kind of friction that occurs is called round friction.?
The friction that occurs when an object rolls over a surface is called rolling friction, not round friction. Rolling friction is typically less than sliding friction because the object's motion is smoother and involves less resistance from the surface.
Is friction affected by the amount of surface that is touching?
No: this is a common misconception Friction= Normal force* Coefficient of friction where Normal force= Mass* Acceleration due to gravity* Cos(angle of surface) and the coefficient of friction is an intrinsic property of the surface Therefore, only the mass of the object and the surface composition affect friction
Why does some friction occur with seeminly smooth surface?
Even though the surface appears smooth.at the microscopic level the surface has some peaks and cracks .when it slides over any other surface friction occurs. the seemingly smooth surface has some friction.
