friction

the friction of braking.

to cause soreness and warmth by friction.

Friction lowers the efficiency of a machine.

• Friction brake prevents overspin.

constant friction between the two nations

There is some friction among the family members.

a considerable amount of friction between father and son.

at Christmas, arguments and friction mock our pretence at peace.

In designing a machine it is necessary to reduce friction as much as possible.

Family frictions can interfere with a child's schoolwork.

The study showed that the property of grain triboelectrification relates to grain moisture, friction velocity, dielectric constant and friction material.

It has vanguard technology of friction welding and chroming and so on.

The friction force is therefore called a nonconservative or a dissipative force.

Friction gradually caused the sliding box to slow down and stop.

When Joan returned to work, the friction between them increased.

The present state of non asbestic friction material production in China and requirement in early years of 21st century are presented.

The friction drag coefficient increases with increasing afterbody fineness ratio and decreasing Reynolds Number.