Give reason for thefollowing a) the yound modulus of steel is greater than brass

Question

Give reason for thefollowing                                                                                                                                               a) the yound modulus of steel is greater than brass .whichwould stretch more easily ? which is tiffer? b)how does a deformed body behave when the defroming force isremoved if the strain is i)elastic ,ii)plastic) Give reason for thefollowing                                                                                                                                               a) the yound modulus of steel is greater than brass .whichwould stretch more easily ? which is tiffer? b)how does a deformed body behave when the defroming force isremoved if the strain is i)elastic ,ii)plastic)

Explanation / Answer

a, The force to stretch a distance x is F = E S/lx So betweenn 2 rods of brass and steel of the samecross section and length, the one of brass must be easier tostretch b, If the strain is elastic, the body will return to theorgiginal shape before being deform If the strain is plastic, which mean quite inelastic, the bodywill most likely keep the shape when the deforming force isremoved

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