gahawy
13-11-2015, 08:38 PM
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!!
مشاهدة النسخة كاملة : hرجو من الاساتذه الافاضل الاجابه عن هذا السؤال gahawy 13-11-2015, 08:38 PM 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!! seragallaa 20-01-2016, 11:13 PM 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 |