What property of water is evidenced by the weight (pressure) that pushes against a submerged object from all sides?

The correct answer, hydrostatic pressure, refers to the pressure exerted by a fluid at equilibrium due to the force of gravity. When an object is submerged in water, it experiences pressure from all directions, which increases with depth. This pressure is a result of the weight of the water above the object pushing down on it. Hydrostatic pressure is crucial in understanding buoyancy and fluid mechanics, as it affects how objects behave when placed in a fluid.

Hydrodynamic force, while related to fluid motion, specifically refers to forces acting on objects moving through a fluid, rather than the pressure experienced by a stationary submerged object. Surface tension deals with the elastic-like force at the surface of a liquid, which can cause objects to float or insects to walk on water, but does not account for the pressure experienced at greater depths. Water resistance involves the frictional force acting against an object as it moves through water, rather than the omnidirectional pressure experienced while an object is submerged. Hence, hydrostatic pressure is the most accurate representation of the property being described in the question.