a raft of wood density 600 kgs /m3 of mass 120kgs floats in water,how much weight can be put on the
Asked by annamirf | 15th Feb, 2010, 12:20: AM
Expert Answer:
Let's say the required weight is W and raft's volume be V.
Weight of raft + weight required to sink it = Buoyancy force.
ρsVg + W = ρwVg
V = 120 kg/ 600 kg/m3 = 1/5
W = ρwVg - ρsVg = (ρw - ρs)Vg = (1000-600)x(1/5)x10 = 800 N.
Regards,
Team,
TopperLearning.
Answered by | 15th Feb, 2010, 05:52: AM
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