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Is there an example in which friction acts in direction of motion. Any special case.
shayan haider said:But we can apply this to every case
Actually in this case also the frictional force is opposing motion of tire. If it is true then the tire should accelerate by itself.
It would oppose if the tire is stationary but it is in motion. If it is in direction of motion like you are saying then the tire should accelerate. Isn't itMaged Saeed said:What do you mean by applying this case to every case ??
The frictional force here is not opposing the tendency of the tire to slide back ward when it is moving forward not the translation motion of the tire itself ..,,
Frictional force is the force that opposes the motion of an object when it is in contact with another surface.
Frictional force can either increase or decrease the speed or direction of motion depending on the direction and magnitude of the force.
Some examples include a car's tires gripping the road to move forward, a soccer ball slowing down as it rolls on grass, and a person sliding down a slide due to the friction between their clothes and the slide's surface.
Frictional force can be reduced by using lubricants, such as oil or grease, between two surfaces in contact.
No, it is not possible to completely eliminate frictional force as it is a natural phenomenon that occurs whenever two surfaces are in contact.