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A log of wood of mass $80 k g$ floats in water the weight that can be on the raft to make it just sink should be. (density of wood $= 600 k g / m^{3}$ )

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73.4 kg

53.3 kg

48.8 kg

64.6 kg

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detailed solution

Correct option is B

(80+m)g=vBdwaterg (80+m)=80600×1000 ⇒m=8006−80=800−4806=3206=53.3grms

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A log of wood of mass 80kg floats in water the weight that can be on the raft to make it just sink should be. (density of wood=600 kg/m3 )

Remember concepts with our Masterclasses.

Ready to Test Your Skills?

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A log of wood of mass $80 k g$ floats in water the weight that can be on the raft to make it just sink should be. (density of wood $= 600 k g / m^{3}$ )