Question

why is it easy to walk on sand but not on pebbles

Answer 1

hi mate...

your answer...

Pressure= Force/Area

on pebbles the contact area is smaller than in sand. For the same force, pressure is high on pebbles than on sand due to the smaller area of contact.

therefore it is easy to walk on sand then to walk on pebbles

hope it helps....

Answer 2

pressure=force÷area
since area of pebbles are high as compared to sand