Asked by kelvin

if a load 1kg streches a cordby 1.2cm.what is the force constantof the cord?
Answered by lisa
Force constant= Force/ Extension
= (1×9.8)/ (1/100) N/m
=9.8×100=980N/m
Answered by Henry
F = m*g = 1*9.8 = 9.8 N

k = F/d = 9.8N/0.012m = 816.7 N/m.
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