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?

No.

The equation for :

So if no distance was moved, then there is no work done.

its mg hope this

under a microscope, cancer cells may look very different from normal cells. they often have different sizes and some may be larger than normal while others are smaller. cancer cells are often abnormally shaped and the control centre of the cell (the nucleus) may have an abnormal appearance.

i think? ?