Calculate specific weight, density
and specific gravity and if one liter of Petrol weighs 7N.
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Explanation:
Given:
One litre of petrol of specific gravity is 0.7
To find:
Calculate the specific weight, density, and weight of one litre of petrol of specific gravity is 0.7
Solution:
From given, we have,
One litre of petrol of specific gravity is 0.7
The density of petrol = specific gravity of petrol × density of water
= 0.7 × 1000
= 700 kg/m3
The specific weight of petrol = specific gravity of petrol × specific weight of water
= 0.7 × 1000 × 9.81
= 6867 N/m³
Weight of petrol = specific weight of petrol × volume of petrol
= 6867 × 10^-3
= 6.867 N
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