A 1.25 kg weight is hung from a vertical spring. The spring stretches by 3.75 cm from its original, unstretched length. How much mass should you hang from the spring so it will stretch by 8.13 cm?
1 Answer
Mar 13, 2018
Remember Hookes law.
2.71Kg
Explanation:
Hooke's Law relates Force a spring exerts to an object attached to it as:
where F is the force, k a spring constant, and x the distance it will stretch
So in your case, the spring constant evaluates to:
To get an 8.13cm extension you would need:
2.71Kg