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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A massive stone pillar 20 m high and of uniform cross section rests on a rigid base and supports a vertical load of 5.0×10 ^ 5 N at its upper end. If the compressive stress in the pillar is not exceed 16 × 10 ^ 6 N/m, what is the minimum cross-sectional area of the pillar? ( Density of the stone= 2.5 × 10^3 kg/m^3 take g = 10 N/kg

A massive stone pillar 20 m high and of uniform cross section rests on a rigid base and supports a vertical load of 5.0×10 ^ 5 N at its upper end. If the compressive stress in the pillar is not exceed 16 × 10 ^ 6 N/m, what is the minimum cross-sectional area of the pillar? ( Density of the stone= 2.5 × 10^3 kg/m^3 take g = 10 N/kg

A wire is stretched 1 mm by a force of 1 kN. How far would a wire of the same material and length but of four times that diameter be stretched by the same force?