ميشه لطف كني اين سوالو از قسمت فيزيكه اون سايت بپرسي؟
ye soal e ke javabasho midunam vali tozihesho na. mishe tozihesho
begid. az holiday e fasle feshar.
[?]A boat with an anchor on board floats in a swimming pool that is
somewhat wider than
the boat. Does the pool water level move up,move down,or remain the
same if the anchor
is (a) dropped into water or (b) thrown onto the surrounding ground?
(c) Does the water
level in the pool move upward, move downward, or remain the same if,
instead a cork is
dropped from the boat into the water, where it floats?
[?](a)downward; (b)downward; (c)same.