A barge filled high with sand approaches a low bridge over the river and cannot quite pass under it. Should sand be added to, or removed from, the barge? [Hint: Consider Archimedes' principle.)
Solution 12Q: We have the determined what action has to be done on the barge, so that it pass under a low bridge. Step 1 of 2 Concept: Archimedes Principle: For a body floating on the surface of water, the weight of the water displaced by the body is equal to the weight of the body.