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तामिळनाडू बोर्ड ऑफ सेकेंडरी एज्युकेशनएस.एस.एल.सी. (इंग्रजी माध्यम) इयत्ता ९

State whether true or false. If false, correct the statement. The weight of fluid displaced determines the buoyant force on an object. - Science

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प्रश्न

State whether true or false. If false, correct the statement.

The weight of fluid displaced determines the buoyant force on an object.

पर्याय

  • True

  • False

MCQ
चूक किंवा बरोबर
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उत्तर

The weight of fluid displaced determines the buoyant force on an object- True

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 3: Fluids - Exercise [पृष्ठ ३६]

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सामाचीर कलवी Science [English] Class 9 TN Board
पाठ 3 Fluids
Exercise | Q III. 1. | पृष्ठ ३६

संबंधित प्रश्‍न

A body while floating sinks deeper in a liquid of low density than in a liquid of high density.


The relative density of alcohol is 0.8. Its density is


Define the term thrust. State its S.I. unit.


How does the pressure exerted by thrust depend on the area of surface on which it acts? Explain with a suitable example.


The diagram below in Fig. 4.12 shows a device which makes the use of the principle of transmission of pressure.

  1. Name the parts labelled by the letters X and Y.
  2. Describe what happens to valves A and B and to the quantity of water in the two cylinders when the lever arm is moved down.
  3. Give reasons for what happens to valves A and B in part (ii).
  4. What happens when the release valve is opened?
  5. What happens to valve B in cylinder P when the lever arm is moved up?
  6. Give a reason for your answer in part (v).
  7. State one use of the above device.

Two cylindrical vessels fitted with pistons A and B of area of cross-section 8 cm2 and 320 cm2 respectively are joined at their bottom by a tube and they are completely filled with water. When a mass of 4 kg is placed on piston A, Find:

  1. the pressure on piston A,
  2. the pressure on piston B, and
  3. the thrust on piston B.

Pressure in a water pipe on the ground floor of a building is 100,000 Pa. Calculate the pressure in the water pipe on the first floor at a height of 3 m. [Density of water = 1000 kgm−3 ; g = 10 ms−2]


Select the correct option:

When an object sinks in a liquid, its:


A body will sink if the weight of the body is greater than the buoyant force.


The upward force that is caused due to the pressure difference in liquid (or fluid) is called ______.


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