Question

why is it difficult to balance our body when we accidentally step on a peal of banana?

Answer 1

because of inertia or it may be slippery substance present in banana

Answer 2

Less the irregularities , less will be the friction. Therefore it is difficult to balance our body if we accidently step on a peel of banana. When we walk on the ground, our foot pushes the ground in the backward direction (action) and the ground pushes our foot in the forward direction (reaction ) .
hpoe it helpsD: