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What is none uniform density?
when the object is not made of the same material
To increase the stability of an object the centre of gravity should be?
as low as possible
To increase the stability of an object the base area should be?
as wide as possible
What is center of mass?
It is the point where the whole weight can be concetrated
Which are the units of density?
g/cm3 or kg/m3
What is the equation of density?
d=m/v
What is the volume of 27g of aluminium if it's density is 2.7g/cm3?
27g/2.7g/cm3=10cm3
If it is less dense will it float or sink?
it will float
How is mass measured?
by balance or scale
If density is 3okg/m3 and mass is 15kg what is volume?
d=m/v v=m/d 15kg/30kg/m3=0.5m
What is density?
It is a mass unit of volume of a material substance
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