What's an example of a task that requires knowledge of physical objects to perform?
trees

What's an example of a task that requires knowledge of physical objects to perform?
To protect your skin from sun damage when outdoors,

What's an example of a task that requires knowledge of physical objects to perform?
to clean up vomit

What's an example of a task that requires knowledge of physical objects to perform?
To make your homemade rocket stable and likely to fly straight.