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. A beam 4 m long, 50 cm wide and 20 cm deep is made of wood which weighs 25kg per m. Find the weight ofthe beam |
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Answer» Length of beam(l)=4 mBreadth of beam(b)=50 cm =0.5 mDepth of beam(h)=20 cm =0.2 mVolume of beam=lbh = 4×0.5×0.2 m³ =0.4 m³Given,weight per cubic metre=25 Kgweight for 0.4 m³=0.4×25 = 10Kg |
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