cehsp7916 cehsp7916

16-10-2022
Physics

Answered

solve the following
a)The relative density of lead is 11.3. The density of water is
1000kg/cm^3.What is the density of lead in an SI unit?
b)The relative density of iron is 7.8. What does it mean?

c) A block weighing 3.0 kg is in the shape of a cube of length 25 cm. It is kept on a horizontal table. Find the pressure on the portion of the table where the block is kept.

d)The pressure due to the atmosphere is 1.013 x 10^5Pa. Find the force exerted by the atmosphere on the top surface of a table 2.0 m long and 1.0 m wide.

e)A force of 15 N is uniformly distributed over an area of 150 m^2. Find the pressure in Pascal

f)Calculate the greatest and the least pressure exerted by a metal block of size 20 cm x 8 cm X 5 cm and has a mass of 5 kg.

Answer :

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