Question

2. A tank with a square base of area 2.0 m' is divided
into two compartments by a vertical partition in the
middle. There is a small hinged door of face area
20 cm at the bottom of the partition. Water is filled
in one compartment and an acid of relative density
1.5 in the other, both to a height of 4 m. If g +
10 ms, the force necessary to keep the door
closed is
(a) 10 N
(b) 20 N​

Answer 1

Answer:

20 N....... is the correct option