Question # 5 Which term best describes the operating system of a computer?
O Motherboard
O Application Software
O System Software
O Output Device

depends on what software you are using. google docs or microsoft word or other?

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.