Question #161a9

1 Answer
Jane
Feb 2, 2018

Young's modulus (#Y#) is expressed as #(F/A) /( (delta l)/l)# (where, #F# is the force, #A# is the cross sectional area #delta l# is change in length and #l# is the original length)

Given, #Y=2*10^-11,A= 1/10000, (deltal)/l =1#

So, #F=2*10^-15 N#

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