Question R4 Q10 - NSB Regional 2007

Which of the following conditions must be true for Hooke's law to apply:

W) the spring must be within its proportional elastic limit

X) the spring must me made of cold formed steel coils

Y) the deflection of the spring must be less than one tenth the spring's free length

Z) the carbon content of the metal must be over 0.023 percent

Science Bowl Question