Choose the correct option for the following Assertion (A) and Reason (R).

Question

G1 Physics · Accepted Answer

A freely submerged body receives pressure forces over its entire wetted surface. The larger pressure on the lower part of the body is essential in producing the net upward buoyant force. If a submarine is sealed tightly against the sea bed, water may be unable to act on a substantial part of its lower surface. The upward pressure contribution is then greatly reduced, so the resultant upward hydrostatic force can be much smaller. Therefore both Assertion and Reason are true, and the Reason corre…