If you are trying to loosen a stubborn screw from a piece of wood with a screwdriver and fail, should you find a screwdriver for which the handle is longer or fatter?

A fatter handle. This allows you to provide more torque to the screw, which should eventually loosen it.

longer screwdriver

Explanation:

A longer screwdriver will work because it would increase the torque in loosing the screw

Knowing that torque I the product of weight and distance this mean that the more the distance the more the torque that is required to loosen the stew.

energy can be converted from one form to another, but it cannot be created or destroyed in ordinary chemical or physical means. do not understand what you are asking but hope this