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Sahay Sir > Question Answers > Uncategorised (JEE Advanced Physics by BM Sharma + GMP Solutions) > A small but heavy block of mass 10 kg is attached to a wire 0. 3 m long. Its breaking stress is 4.8 × 10^7 N/m^2. The area of the cross section of the wire is 10^−6 m^2. The maximum angular velocity with which the block can be rotated in the horizontal circle is

A small but heavy block of mass 10 kg is attached to a wire 0. 3 m long. Its breaking stress is 4.8 × 10^7 N/m^2. The area of the cross section of the wire is 10^−6 m^2. The maximum angular velocity with which the block can be rotated in the horizontal circle is

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?