Question

why it is difficult to walk on a very smooth surface?​

Answer 1

Answer:

IT IS DIFFICULT TO WALK ON A SMOOTH SURFACE BECAUSE , IT CONTAINS LESS FRICTION , WE NEED MORE FRICTION TO WALK WITHOUT DIFFICULTY .

Answer 2

Answer:

Friction occurs because no surface is perfectly smooth. Rougher surfaces have more friction between them. Heavier objects also have more friction because they press together with greater force. Friction produces heat because it causes the molecules on rubbing surfaces to move faster and have more energy.

Step-by-step explanation:

hope it helps you, lakshita...