On Sun, 21 Dec 2003 03:24:02 GMT, Ted Edwards wrote:
Gary Coffman wrote:

Actually, in the boat it displaces its *weight*, not mass, but otherwise
correct.

Unless the boat and block are in different gravitational fields, the
result is the same. W=mg.

No. 'W' is a force. 'M' is the measure of inertia of a body.
'W' is vector, 'M' is scalar. They aren't the same.

Gary