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Friction is directly proportional to the force of two surfaces pressing against each other. The more force there is between the surfaces, the greater the frictional force will be. This relationship is described by the equation: friction = coefficient of friction x normal force.
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What two things does the force of friction depend upon?
The force of friction depends on the nature of the surfaces in contact and the normal force pressing the surfaces together. A rough surface will create more friction compared to a smooth surface, and increasing the normal force pressing the surfaces together will increase the friction force.
Does surface type affect the force of friction?
Surface types can affect the force of friction because as the surface gets rough and rougher it has more friction and smooth surface has less friction. if we compare the affect of friction force on a ice and road. Road is much more rough than the ice chunk and if we slide a ice hockey puck on each of the surfaces, we get that smoother surfaces has less friction.
What are the variables that determine the force of friction between a wooden block and the surface on which it is resting?
The force of friction between a wooden block and a surface is determined by the normal force pressing the block onto the surface and the friction coefficient between the two materials. Additionally, the surface area of contact and the roughness of the surfaces can also influence the force of friction.
How does the coefficient of friction depend upon the normal force between the surfaces in contact?
-- The friction force changes, and is directly proportional to the normal force. -- The coefficient of friction doesn't change. It is the proportionality constant in the first statement.
Why rolling friction is less than sliding friction?
Rolling friction is the force of friction between two surfaces when one surface rolls over another.Sliding friction is the force of friction between two surfaces when one surface is moving on another.
What two things does the force of friction depend upon?
The force of friction depends on the nature of the surfaces in contact and the normal force pressing the surfaces together. A rough surface will create more friction compared to a smooth surface, and increasing the normal force pressing the surfaces together will increase the friction force.
If friction isn't dependent on surface area but only on the coefficient of friction between two surfaces and the reaction force then why do racing cars use bigger tires with greater area?
Friction doesnt not depend on the surface area...but the force of friction does! We cannot change the friction of a material but we can change the force due to that friction on another material in contact with it. Using this concept, racing cars have bigger tires to minimise the force of friction acting on them. They cannot change the friction of the road, so they change the resultant force on the tires.
What two factors depend on the amount of friction?
gravity and how rough the surface is
Does surface type affect the force of friction?
Surface types can affect the force of friction because as the surface gets rough and rougher it has more friction and smooth surface has less friction. if we compare the affect of friction force on a ice and road. Road is much more rough than the ice chunk and if we slide a ice hockey puck on each of the surfaces, we get that smoother surfaces has less friction.
What are the variables that determine the force of friction between a wooden block and the surface on which it is resting?
The force of friction between a wooden block and a surface is determined by the normal force pressing the block onto the surface and the friction coefficient between the two materials. Additionally, the surface area of contact and the roughness of the surfaces can also influence the force of friction.
Force that opposes motion of surface as it moves across another surface?
the force that opposes the motion of two touching surfaces is velocity.
Which force decrease motion due to enteraction between two surface?
Friction.
What is the maximun coefficient of friction between two surfaces?
friction is the resisting force which oppose the relative motion of two body.cofficient of friction is the ratio of frictional force and normal force of body on surface.thus maximum cofficient of friction defiend as ratio of maximum frictional force or minimum normal force on the surface.
What are the two factors that affect the friction force between two?
The two factors that affect the friction force between two surfaces are the nature of the surfaces in contact and the normal force pressing the surfaces together. Surface roughness, material properties, and the force pushing the surfaces together all influence the magnitude of friction between them.
How does the coefficient of friction depend upon the normal force between the surfaces in contact?
-- The friction force changes, and is directly proportional to the normal force. -- The coefficient of friction doesn't change. It is the proportionality constant in the first statement.
Why rolling friction is less than sliding friction?
Rolling friction is the force of friction between two surfaces when one surface rolls over another.Sliding friction is the force of friction between two surfaces when one surface is moving on another.
What are two factors that affect friction force between two surfaces?
The two factors that affect friction force between two surfaces are the nature of the surfaces (roughness, texture) and the force pressing the surfaces together (normal force). A rough surface or a higher normal force will generally result in higher friction force.
