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Explain the Following : as a Ship in Harbour is Being Unloaded, It Slowly Rises Higher in Water. - Physics

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प्रश्न

Explain the following : 

As a ship in harbour is being unloaded, it slowly rises higher in water.

टीपा लिहा

उत्तर

As a ship in harbor is unloaded, its weight decreases. As a result, it displaces less water, and the ship's hull rises in water till the weight of the water displaced balances the weight of the unloaded ship.

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Relation Between Volume of Submerged Part of a Floating Body, the Densities of Liquid and the Body
  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 5: Upthrust in Fluids, Archimedes’ Principle and Floatation - Exercise 5 (C) [पृष्ठ १२४]

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सेलिना Concise Physics [English] Class 9 ICSE
पाठ 5 Upthrust in Fluids, Archimedes’ Principle and Floatation
Exercise 5 (C) | Q 23.4 | पृष्ठ १२४

संबंधित प्रश्‍न

A body of volume 100 cm3 weighs 5 kgf in air. It is completely immersed in a liquid of density 1.8 × 103 kg m-3. Find:

  1. The upthrust due to liquid and
  2. The weight of the body in liquid. 

Write the density of water at 4°C in S.I. unit .


A jeweller claims that he makes ornaments of pure gold that has a relative density of 19.3. He sells a bangle weighing 25.25 gf to a person. The clever customer weighs the bangle when immersed in water and finds that it weighs 23.075 gf in water. With the help of suitable calculations, find out whether the ornament is made of pure gold or not.

[Hint : calculate R.D. of material of bangle which comes out to be 11.6].


A rubber ball floats on water with its 1/3rd volume outside water. What is the density of rubber? 


The density of ice is 0.92 g cm-3 and that of sea water is 1.025 g cm-3. Find the total volume of an iceberg which floats with its volume 800 cm3 above water. 


A solid lighter than water is found to weigh 7.5 gf in air. When tied to a sinker the combination is found to weigh .If the sinker alone weighs 72.5 gf in water, find R.D. of solid.


A hollow cylinder of copper of length 25 cm and area of cross-section 15 cm2, floats in water with 3/5 of its length inside water. Calculate:
(1) apparent density of a hollow copper cylinder.
(2) wt. of cylinder.
(3) extra force required to completely submerge it in water.


A cork cut in the form of a cylinder floats in alcohol of density 0.8 gcm-3, such that 3/4 of its length is outside alcohol. If the total length of the cylinder is 35 cm and area of cross-section 25 cm2, calculate:

(1) density of cork
(2) wt. of cork
(3) extra force required to submerge it in alcohol


An iron ball of mass 600 g is dropped in mercury contained in a beaker. Will the ball float or sink? What will be its apparent weight?

Complete the following result:

Density in kg m-3 = ______ x density in g cm-3


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