I need help with these questions fast plz no links

Based on its chemical properties, identify the position of each chemical family on the periodic table.

If a simple machine aduces the strength of a force, what must be increased? the speed of the input force the work the simple machine performs the size of the simple machine the distance over which the force is applied

If you try to move a piano and are unable to move it, did you perform any work in the scientific sense of the word? yes or no?