A stone suspended from a spring balance shows a lower reading when completely…
PHYSICS · Single correct · AP · Physics 1: Algebra-based · Fluids · Fluids
Problem
A stone suspended from a spring balance shows a lower reading when completely immersed in water. Which one of the following is the correct reason?
(a) Water exerts an additional downward pressure on the stone
(b) The upward buoyant force of water reduces the net force on the balance
(c) Surface tension of water pulls the stone upward
(d) The mass of the stone becomes less when it is immersed in water