Question

A solud rectangular piece of metal measure 5cmX6cmX2cm find its weight if 1 cu cm of iron weights 50 grams ​

Answer 1

Shape of a rectangular solid is cuboid,

Dimensions of the cubiod is

Length = l = 5 cm

Breadth = b = 6 cm

Height = h = 2 cm

Volume of the solid = lbh

V = 5 cm × 6 cm × 2 cm

V = 60 cm³

According to the problem given, 1 cm³ iron weighs 50 grams,

So, 60 cm³ iron weighs = 50 x 60 gm = 3000 gm.

So, its weight is 3000 grams or 3 kilograms.