Apparently you are not aware of strain energy.

>The only flaw is a confusion between "energy" and "force".
>
>To calculate energy used to move something, you calculate force x distance x cosine of the angle. (If the force is in the same direction as the movement, the cosine of the angle is 1.)
>
>So to support a weight of 100 N, the energy needed (in theory) is 100 N x 0 m x 1 = 0 J. Any energy above that is the result of an inefficient process. Like, using your muscle force instead of a post to support something.