Because of this, clonidine is often used to treat the symptoms of drug, alcohol, and nicotine withdrawal. Clonidine is beneficial in opiate withdrawal because it treats symptoms that are commonly associated with that condition (watery eyes and nose, diarrhea, irritability).
However, Friction can also be harmful, for example, Rubbing two objects together causing friction causes heat, under the right circumstances it could even cause a fire, so in that case it could be good or bad, when you rub two sticks together to make fire, its good, but lets say your engine in your car is low on oil, the friction in the cylinders will eventually cause the motor to over heat and seize up and then you have engine failure and a large mechanic bill, thats bad,
Two surfaces meeting with motion between them. Friction is caused when the interlocking of 2 irregular â¦ surfaces comes in contact with. Friction is a force that slows things down or tries to stop an object moving. Friction causes grip and heat for example the brakes on your bike will be hot after they have slowed down the moving wheel. Without friction you feet would slip on the ground and the tires would slip and flip on the roads, and they both rely on friction to stay put.