A beam 9 m long, 50 cm wide, andweight of the beamA beam m long. 5cm d – InterviewSolution

1.

A beam 9 m long, 50 cm wide, andweight of the beamA beam m long. 5cm deep is made of wood which weighs 30 kgpertg per m' nd

Answer»

Volume of the beam=9×0.5×0.2=0.9 m³

Density of wood=30 kgm⁻³

∴Weight of the beam=density×volume=30×0.9=27 kg

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