In the world of computing accessibilty most often refers to: a how quickly software opens , b password protection, c assistance for the disable, d computer literacy skills

answer would be

answerenforce the organization's security policy;

only #2 represents an object at rest on a table.

in #1, there is no normal force due to the table; the object is accelerating downward.

in #3, the vertical forces are not balanced; the object is accelerating downward.

in #4, neither the vertical nor the horizontal forces are balanced. the object is accelerating upwards and to the right.