Give reason : a man walking on a street slips on a banana skin.
Kindly refer to the following link:
https://www.meritnation.com/ask-answer/question/why-do-we-slip-while-stepping-on-a-banana-peel/frictio.../1179864
https://www.meritnation.com/ask-answer/question/why-do-we-slip-while-stepping-on-a-banana-peel/frictio.../1179864