CBSE Class 9 Answered
Ram throws a stone in the pond. It displaced 1.5 kg of water. Calculate the buoyant force acting on the stone. (g = 9.8 m/s2)
Asked by Topperlearning User | 30 Dec, 2013, 09:45: AM
Expert Answer
Mass of water displaced by the stone, m = 1.5 kg
We know that,
Weight = Mass x Acceleration due to gravity
= m x g
Weight of the water displaced = 1.5 x 9.8 N = 14.7 N
In accordance with Archimedes' Principle, When an object is wholly or partially immersed in a liquid, it experiences a buoyant force or upthrust which is equal to the weight of liquid displaced by the object.
The buoyant force acting on the stone is 14.7 N.
Answered by | 30 Dec, 2013, 11:45: AM
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