Question
Fish are hung on a spring scale to determine their mass. (a) What is the force constant of the spring in such a scale if it the spring stretches 8.00 cm for a 10.0 kg load? (b) What is the mass of a fish that stretches the spring 5.50 cm? (c) How far apart are the half-kilogram marks on the scale?
1. $1.23\times 10^{3}\textrm{ N/m}$
2. $6.88 \textrm{ kg}$
3. $4.00 \textrm{ mm}$