Question

1.Any body partly or wholly immersed in a liquid experiences an upward force called upthrust which is equal to the weight of ________ by the body
Solid displaced
Liquid displaced
None
2.The factors which affect upthrust are_____ and____
Area, temperature
Volume,length
Volume,Density
3.The reference mark located on the ship's Hull indicates the vessels may be safely immersed when loaded with cargo is called____
Plimsoll line
Straight line
Narrow line
4.It is ____ to swim in Sea water than in tank water
Low
Easier
None
5.Liquid with_____density floats on top of the other liquid.
Lower
Greater
None of the above
6.The upward force exerted by a liquid on an object immersed in it is called
Gravitational force
Upthrust
None
7.The upthrust on a body immersed in a liquid depends on
Surface area of the body
Density of the body
Both
8.A Stone immersed in water is more difficult to lift than when it is in the air.
True
False.
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Answer 1

Answer:

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Explanation:

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