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

What's an example of a task that requires knowledge of physical objects to perform?
To tenderize and flatten a steak, you can

What's an example of a task that requires knowledge of physical objects to perform?
To start a fire,

What's an example of a task that requires knowledge of physical objects to perform?
To make apple pie filling sweeter.