Question

A car skids on a wet road?

Answer 1

on a wet road due to water ( a lubricant ) friction decreases .

as friction resists movement on wet road friction will be less so when a car moves friction doesn't oppose

thus car skids

Answer 2

because of the presence of water(a lubricant) in wet road ,a car skids. The friction is less on wet road and so it doesnot oppose the motion of the car.