Question

Complete the following tables in class 8th

Answer 1

Density=MASS/VOLUME
MASS=350 kg
VOLUME=175m3
Density=350/175=2kg/m3

Mass=Density*Volume
Mass=190*4=760kg

Relative density=density of metal/density of water

density of metal=relative density*density of water
density of metal=10^3*5=5000kg/m3

relative density=8.5*10^3/10^3=8.5

Pressure=weight/area
weight=pressure*area=20,000*0.04=800N

pressure=1500/500=3Nm-2


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