Physical access control should address not just computers and other IS equipment but also locations of wiring used to connect systems, equipment and distribution systems, telephone and communications lines, backup media, and documents a. True
b. False

a hotel that serge might be staying in

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.