Selma needs to ensure that users who have access to her presentation are unable to make changes to the presentation. What should she do?
O Apply password protection and only distribute the read-only password.
O Use the Mark as Final feature
O Restrict access to the presentation at the file server
O Use the Protected View option.

She should D. Use the Protected View option.

Explanation:

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.