What are chemical property for liquid

When you push downward on a book at rest on a table, you feel an upward force. does this force depend on friction? defend your answer.

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

Avehicle accelerates from 0 to 30 m/s in 10 seconds on a straight road