Question

high rise building and dams have wide base give reason

Answer 1

So the water pressure on the ground will be less because when surface increase pressure decrease

Answer 2

Your answer friend...

1 Reason: It is to equally distribute the weight of the dams.To increase the surface area for uniform load distribution.

2 Reason: They are given wide bases to exert less pressure because smaller the area higher the pressure.

HOPE IT HELPS YOU!:)