Why is it difficult to open jam bottles when your hands are oily?

  • When the hands are oily, then the oil acts as lubricant and reduces the friction.
  • As the frictional force is less, it is difficult to get grip over the lid of the bottle and becomes difficult to open it.

  • 8
We can't open bottles cap while our hands are oily because oils acts as a lubricant between the hands and the bottle thus it reduces the friction between hands and bottles.
  • 3
What are you looking for?