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The frictional force needed to just stop something from moving is called limiting friction, and the object is said to be in limiting equilibrium.
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Frictional force is the force that opposes motion between two surfaces.
kinetic frictional
The frictional force needed to just stop something from moving is called limiting friction, and the object is said to be in limiting equilibrium.
Most forces other than frictional force can be converted into other kinds of force.
A force. Such a force must be stronger than any frictional forces.
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i am sure that it is not frictional force.....
Frictional force is the force that opposes motion between two surfaces.
if the frictional resistance is high, the force will be greater, and if the frictional resistance is low, the force will be smaller.
As the speed increases the centripetal acceleration increases. This this acceleration is caused by the normal force, then the normal force increases. Frictional force however remains equal to the weight. As the normal increases the maximum frictional force would increase. However, the amount of friction needed would still only be the rider's weight. In other words the frictional force would be less than the maximum available frictional force.
The size of the normal force and coefficient of friction determines the size of frictional force.