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Q. 2

A vertical metal

Class 11th HC Verma - Concepts of Physics Part 1 14. Some Mechanical Properties of Matter

Answer :

(a) 7.96 × 10⁵ N m^-2

(b) 4 × 10^-6

(c) 8 × 10^-6 m

Given, Radius of cylinder,

Length of cylinder,

Weight of the load,

Young modulus of the metal,

Area of cross-section of the cylinder,

(a)The stress is given by

Here the force is gravitational in nature.

(b) We know,

The strain is given by

(c) Let the compression be

The strain is given by

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