Maharashtra State BoardSSC (English Medium) 8th Standard
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Complete the Following Tables. - Science

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Sum

Complete the following tables.

 Mass(Kg)  Volume (m3) Density(kg/m3)
  350       175   -
  -   190   4                    
 
Density of Metal (kg/m3)  Density of water (kg/m3)  Relative Density
      103   5
  8.5 × 103   103          -        

 

 weight(N)  Area (m2) Pressure(Nm−2)
  -     0.04   20,000
  1500   500   -     
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Solution

We know, `"Density" = "Mass"/"Volume"`

So, using the above formula, we can find one quantity if the other two quantities are given.

 Mass (kg)  Volume (m3) Density (kg/m3)
  350       175   2
  760   190             4          

We know, Relative density of substances =`"Density of substances"/"Density of Water"`

So, using the above formula, we can find one quantity if the other two quantities are given.

Density of Metal (kg/m3)  Density of water (kg/m3) Relative Density
  5 × 103 103 5
  8.5 × 103 103 8.5

We know, Pressure = `"Force"/"Area"`

So, using the above formula, we can find one quantity if the other two quantities are given. 

 Weight (N)  Area (m2) Pressure (N m−2)
  800   0.04   20,000
  1500   500   3
Concept: Archemedes Principle
  Is there an error in this question or solution?
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APPEARS IN

Balbharati General Science 8th Standard Maharashtra State Board
Chapter 3 Force and Pressure
Exercise | Q 5 | Page 22
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