Friction is a force that holds back the movementof a sliding object. The force acts in the opposite direction tothe way an object wants to slide. Obviously rough surfacewill cause more friction! Smooth surface has very lowfriction because in smooth surface there is lessresistance to the movement!.
Correspondingly, is friction greater on a rough or smooth surface?
Friction occurs because no surface isperfectly smooth. Rougher surfaces have morefriction between them. Heavier objects also have morefriction because they press together with greater force.Friction produces heat because it causes the molecules onrubbing surfaces to move faster and have moreenergy.
Additionally, does a smooth surface have less friction? When a surface is smooth, there is littleor no resistance to motion when another smooth surfaceglides over it. So why do smooth surface have less friction,it's basically because there is less resistance when theyslide over each other.
Considering this, why is there more friction between rough surfaces?
Because on rough surfaces irregularities ofsurface cause an interlocking due to which it createsmore friction and as smooth surface has very lessirregularities so it can move easily and hence lessfriction.
Does friction depend on surface area?
Friction is a contact force when twosurfaces interact. Notice that both of these frictionformulas ONLY depend on the coefficient of frictionand the normal force. It does not depend thearea of contact, it doesn't depend on the slidingspeed.
Related Question Answers
Which surface produces the least friction?
smooth surfaces produce least friction why roughsurfaces produce too much friction. Smooth andpolished surface provides leastfriction.Does more mass mean more friction?
An object of large mass is pulled down onto asurface with a greater force than an object of lowmass and, as a consequence, there is greater frictionbetween the surface of the heavy object than between the surfaceand the light object. Sometimes, the frictional force is sogreat that it prevents movement.Why does friction increase with mass?
Answer and Explanation: Friction increases withmass because friction depends on the normal force, whichis related to the weight of an object, which depends onmass.Do rough surfaces have more friction?
A pair of rough surfaces will have morefriction than a pair of smooth surfaces, because the“peaks” of one surface can fall into the“valleys” of the other, meaning that to keep movingeither something needs to break, or the surfaces wouldneed to push apart briefly.What would it take to have no friction?
Writing on paper with a pen is alsopossible due to friction. Everyone and everythingwould be sliding all over the place, including the water inlakes, rivers, and oceans. Friction is a force that tends tostop motion or resist the motion of objects. Walking wouldbe impossible without friction.Why is friction more on a smooth surface?
Friction is a force that opposes motion betweenany surfaces that are touching. Friction occursbecause no surface is perfectly smooth. Roughersurfaces have more friction between them.Friction produces heat because it causes the molecules onrubbing surfaces to move faster and have moreenergy.What is the formula for friction?
For most purposes, you can use the formula F =μN to calculate friction, with N standing for the“normal” force and “μ” incorporating thecharacteristics of the surface.Does temperature affect friction?
Effect of Temperature on FrictionCoefficient While increased temperature can enhance the heatmovement capacity of the moving objects, it also increases thedistance of molecule due to thermal expansion. Moreover, increasedtemperature also affects the coefficient offriction. 
