If you want to add extra protein to your diet to build muscle, what do you
also have to do to keep it safe?
1) Not add too much protein
2) Increase total caloric intake (not just protein)
3) Lift weights
4) All of the above

Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel