A body of volume 50cm3 is immersed in water. Find the force of buoyancy acting on it.
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Volume of the body = 50 cm3 = 0.00005 m3
Density of water = 1000 kg/m3
We know that, mass (m) = volume × density = 0.00005 m3 × 1000 kg/m3 = 0.05 kg
Now, weight of the body (W) = m × g = 0.05 kg × 9.8 m/s2 = 0.49 N
According to Archimedes principle,
Therefore weight of the body = 0.49 N
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