What's an example of a task that requires knowledge of physical objects to perform?
To attach wooden slats together and ensure that they're flush, you can

What's an example of a task that requires knowledge of physical objects to perform?
How to introduce a fish to its aquarium

What's an example of a task that requires knowledge of physical objects to perform?
To install a program on your computer.

What's an example of a task that requires knowledge of physical objects to perform?
To quickly warm up your room,