Fundamentals of Physics Extended (10th Edition)

Published by Wiley
ISBN 10: 1-11823-072-8
ISBN 13: 978-1-11823-072-5

Chapter 8 - Potential Energy and Conservation of Energy - Problems - Page 203: 19a


784 $\frac{N}{m}$

Work Step by Step

The equation for spring constant is $\frac{N}{x}$. Using this formula, we must find gravitational force first. Using the equation for weight (m$\times$g), we find that the weight is 8kg $\times$ 9.8 $\frac{m}{s}$ =78.4N. Now that we have N, and m is found by the distance in meters the spring is compressed(10cm=.1m), we simply plug into the equation for spring constant. $\frac{78.4}{.1}$= 784 $\frac{n}{m}$
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