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in Physics by (54.6k points)

Which is more elastic rubber or steel? Explain

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Let length and area of rubber and stead rod = l and a respectively 

Let Yr = Young’s modulus of elasticity for rubber 

Ys = Young’s modulus of elasticity for steel when Stretching force F is applied, Let 

Hence more the modulus of elasticity more elastic is the material, so, steel is more elastic than rubber 

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