Question

It is not difficult to walk bare footed on a sandy ground.

• A. True
• B. False

Answer 1

The correct option is B False

1. Pressure is the thrust per unit area of surface.
2. Pressure is inversely proportional to the area on which thrust is applied.
3. Friction aids in walking.
4. When we apply pressure (due to our weight) on the ground while walking, the ground, in turn, applies normal reaction force ( due to friction) on our feet.
5. Sandy ground acts as frictionless surface, making it difficult to walk on it.
6. Thus, it is difficult to walk bare feet on the sandy ground as the sand yield under our weight (thrust).

Hence, the given statement is false.