Question
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2.
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5.
You walk slowly into a lake until the water is above your head and you are floating. Which statement is correct? A block is placed in a tank of water and floats as shown. The water level rises from the initial level by a height Ahi. The block is then taken out and a block of the same weight but smaller volume that also floats is placed in the tank. A weight is suspended in a tank of water at a depth hi as shown below. The force in the wire that holds the weight is Fi. The weight is then moved upward to a depth hz that is one half of hi. The force in the wire is then F2. A metal block is suspended in a tank of cold water as shown. The cold water is then replaced by hot water that has a lower density. A block of material floats in a tank of water on earth as shown. The bottom of the block is at a depth hi below the surface. The tank and the block are then placed on a planet where the gravitational attraction gp is one-third of that, ge, on earth.
Explanation / Answer
1 C
2 B
3 C
4 A
5 C
