Systems of Particles and Rotational Motion — Physics STD 11 Science — Question

A vertical metal cylinder of radius 2cm and length 2m is fixed at the lower end and a load of 100kg is put on it. Find

1. The stress.
2. The strain and.
3. The compression of the cylinder. Young's modulus of the metal = 2 × 10¹¹ N/m².

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Round off to four significant figures:

1. 36.879
2. 1.0084

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