What's an example of a task that requires knowledge of physical objects to perform?
To create holes in a wooden rectangle so you can place a peg in it, you can

What's an example of a task that requires knowledge of physical objects to perform?
how do you find the volume of a cylinder

What's an example of a task that requires knowledge of physical objects to perform?
how do you spill something?

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