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Name two forces which act on an object immersed in a fluid.

Important Questions on Thrust and Pressure

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Science>Physics>Thrust and Pressure>Upthrust

A metal sphere is dipped in water. If at

0 ° C

4 ° C

the buoyancies in water are

β_{1}

and

β_{2}

respectively, then :

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A jar is filled with two non-mixing liquids $1$ and $2$ having densities $d_{1}$ and $d_{2}$ , respectively. A solid ball, made of a material of density $d_{3}$ , is dropped in the jar. It comes to equilibrium in the position shown in the figure. Which of the following is true for $d_{1}$ , $d_{2}$ and $d_{3}$ ?

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Science>Physics>Thrust and Pressure>Upthrust

The weight of the wooden block is

W

. The apparent weight of the body on floating water is

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Science>Physics>Thrust and Pressure>Upthrust

Two metal pieces when immersed in liquid experience equal upthrust on them, then :

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Science>Physics>Thrust and Pressure>Upthrust

A block floats with its fraction

η_{E}

inside water when immersed in a beaker containing water and kept on the earth. The beaker along with the block is shifted to the surface of the moon. If

η_{M}

is the fraction of the block now immersed in water, which of the following relations is correct?

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Science>Physics>Thrust and Pressure>Upthrust

When an object is immersed fully or partly in a liquid, the apparent loss in its weight is

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Science>Physics>Thrust and Pressure>Upthrust

When a floating body is pressed down a little, which of the two will increase - weight or upthrust?

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Science>Physics>Thrust and Pressure>Upthrust

Three students A, B, and C determined the volume of the solid by immersing it in water in the overflow cans set-up as shown. The result obtained will be wrong for
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Science>Physics>Thrust and Pressure>Upthrust

A given solid is weighed in air using a spring balance. It is then weighed by immersing it fully, in each of the three vessels containing water, as shown. Its weight when immersed, will be
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Science>Physics>Thrust and Pressure>Upthrust

A body weighs $600 gf$ in air and $450 gf$ in water. Find the volume of the body.

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Science>Physics>Thrust and Pressure>Upthrust

Give reasons: It is easier to swim in the sea than in the river.

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Science>Physics>Thrust and Pressure>Upthrust

Why is a bucket of water lighter when in water than when it is taken out of water?

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Science>Physics>Thrust and Pressure>Upthrust

Buoyant force acting on an object immersed in a fluid will always act

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Science>Physics>Thrust and Pressure>Upthrust

Why is the force needed to keep a block of cork inside water?

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Science>Physics>Thrust and Pressure>Upthrust

If we want to determine the volume of a solid by immersing it in water, the solid should be:

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Science>Physics>Thrust and Pressure>Upthrust

Why are the chances of drowning in the Dead Sea very less?

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Science>Physics>Thrust and Pressure>Upthrust

Four students A, B, C and D wanted to determine the volume of an object by using an overflow can. Which student has made the correct set-up?

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Science>Physics>Thrust and Pressure>Upthrust

Give reasons: A body experiences more buoyant force on the earth than on the moon.

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Science>Physics>Thrust and Pressure>Upthrust

In the experiment to establish a relation between the loss in weight of a body with the weight of water displaced by it, which is the correct precaution?

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Science>Physics>Thrust and Pressure>Upthrust

The maximum loss in weight of a body is when

Name two forces which act on an object immersed in a fluid.

Important Questions on Thrust and Pressure

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