# friction

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Related to Frictional force: coefficient of friction
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Then the oil film pressure and viscous frictional force were calculated numerically solving the average Reynolds equation reduced to a finite difference approximation with the method of successive over-relaxation.
We measured the frictional force at a pulling speed of 100 mm/min and a load of 0.2 kgf (1.96 N).
Because it is not physically possible for the tractive force to be larger than the frictional force, when the tractive force is equal to 0.7[[mu].sub.[rho]][F.sub.z], the tire resistance curves can only be drawn in an interval from 0.7 to 1.5.
Table 3 shows the frictional forces of the GFRTP wires against esthetic brackets made from zirconia.
Additional Axial Pipeline-Soil Frictional Force. Because of the different physical and mechanical properties between the buried pipeline and its surrounding soil mass during subsidence, an additional frictional force in the pipeline-soil interface will be generated to prevent against pipeline-soil relative movements at the axial direction of the buried pipeline.
Three major laws [1-3] of friction are taken into consideration such as the frictional force is proportional to the normal load; the frictional force is independent of the apparent contact area and the frictional force is independent of sliding speed.
Figure 4 showed the relationship between frictional force and the bias voltages of 0.0 V, 0.5 V, 1.0 V, 1.5 V, and 2.0 V with four normal loads (0.19 V, 0.39 V, 0.59 V, and 0.79 V).
As can be seen in Figure 3, the frictional force increases with the increasing displacement.
Both toolboxes have inertia, but the one with rollers will experience trivial frictional forces against the floor.
A 1.25 kN load cell, connected to a rigid arm, measured cyclic frictional force occurring at the contact.
Researchers say that the collision between these galaxies could have lasted longer than the collisions observed in the previous study -- allowing the effects of even a tiny frictional force to build up over time and create a measurable lag [4].

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