Sliding friction
Static friction
sliding friction
Coefficient of rolling friction will always be less than that of sliding friction. Hence more force is required to overcome sliding friction. Because the force = coefficient of friction x normal force (ie weight of the body)
More force for what?According to Newton's Second Law, F=ma (force = mass x acceleration), it requires more force to accelerate a more massive object.On the other hand, do some reading, in basic physics books, about friction - even to maintain a constant speed, the force required to overcome friction is also proportional to an object's weight. The force of friction is equal to the "normal" force - the force perpendicular to the surface of contact, multiplied by a coefficient of friction. The coefficient of friction is typically somewhere between 0.2 and 1.0, depending on the types of surfaces.
Kinda-sorta. If you have friction and then a force that's overcoming that friction, making something slide - then you will get heat. The more friction and the more force, the more heat.
Sliding friction requires more force to overcome its friction.
Sliding friction requires more force to overcome its friction.
Static friction
Sliding friction requires more force to overcome its friction.
Sliding friction requires more force to overcome its friction.
Sliding friction requires more force to overcome its friction.
Sliding Friction
Sliding Friction
sliding friction
Coefficient of rolling friction will always be less than that of sliding friction. Hence more force is required to overcome sliding friction. Because the force = coefficient of friction x normal force (ie weight of the body)
Sliding Friction
Static friction