Final answer:
An icon on a computer interface often represents a button that, when selected, triggers actions like cancel, save, or delete, making the statement True. Option 1 is correct.
Step-by-step explanation:
An icon on a computer interface often represents a button that triggers an action when selected. For example, a playback button icon usually looks like a right-pointing triangle, indicating the action of playing media.
Likewise, the delete function is often represented by an icon of a trash can or a cross mark, signaling the action of removing a file or an entry.
The question is asking for a true or false response to the statement that an icon may also look like a button that, when selected or depressed, causes the system to take an action relevant to that form, such as cancel, save, edit a record, or ask for help. The correct answer is True.
In the provided short answer regarding physics, an external force is indeed a force that originates outside the system of interest and affects an object within that system, making statement 39 True.
Hence, In physics, an external force is a force that originates outside a system and affects an object within that system, hence the statement is also True. Option 1 is correct.