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प्रश्न
A block of wood is floating on water with its dimensions 50 cm x 50 cm x 50 cm inside water. Calculate the buoyant force acting on the block. Take g = 9.8 N kg-1.
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उत्तर
Volume of block of wood = 50 cm × 50 cm × 50 cm = 125000 cm3 = 0.125 m3
Given , g = 9.8 m/s2
Buoyant force = Vρg
= 0.125 × 1000 × 9.8 N
= 1225 N
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