How much will a body of weight 20N weigh in water if it displaces 1 litre of water?
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Weight of body in air = 20 N
Buoyant force = Weight of liquid displaced
Volume of water displaced = 1l
Density of water = 1000kg/m3
In this case,
Volume = 1000ml
Density = 1000kg/m3
Mass = 1000kg/1000ml
= 1kg
Mass = Volume
Weight of water displaced = 1 x 9.81
= 9.81N
Therefore, weight of body in water = 20 - 9.81
= 10.19 N
Buoyant force = Weight of liquid displaced
Volume of water displaced = 1l
Density of water = 1000kg/m3
In this case,
Volume = 1000ml
Density = 1000kg/m3
Mass = 1000kg/1000ml
= 1kg
Mass = Volume
Weight of water displaced = 1 x 9.81
= 9.81N
Therefore, weight of body in water = 20 - 9.81
= 10.19 N
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Explanation:
10.19N is the answer
Hope it helps
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