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hرجو من الاساتذه الافاضل الاجابه عن هذا السؤال
A cube of side length 10 cm and a cuboid made of the same material its dimensions 3o cm, 2o cm, 10 cm. Show how can the cuboid be placed on a surface to produce same e pressure as the cube?!! Need help, please!!
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P"cube"=P"cuboid"
F"g"/A (of cube) = F"g"/A (of cuboid) so densityXvol.Xg/A (cube) = densityXvol.Xg (cuboid) so 10x10x10/10x10 =30x20x10/A A(cuboide)=(30X20) so on the side of area = 30 cm. X 20 cm |
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