A molecule of water on the surface experience | vedclass

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Question

(C) molecule on the surface experiences a net force (cohesive force) in the downward direction because there are more molecules pulling it from below

Vedclass · Accepted Answer

Downward resultant unbalanced cohesive force

Vedclass · Answer

(C) molecule on the surface experiences a net force (cohesive force) in the downward direction because there are more molecules pulling it from below than from above (molecule $A$ as shown in the figure). In contrast,a molecule well inside the liquid is equally pulled in all directions by the surrounding molecules (molecule $B$ as shown in the figure),resulting in a net force of zero.

$A$ molecule of water on the surface experiences:

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