Question

You find that if you hang a 1.85 weight from a vertical spring, it stretches 5.50 .

What is the force constant of this spring in N/m?

How much mass should you hang from the spring so it will stretch by 8.45 from its original, unstretched length?

Answer 1

Indicate your subject in the "School Subject" box, so those with expertise in the area will respond to the question.

Answer 2

Use fsp=kx to find k; where fsp=w=mg(w=1.25)(9.81). B) Use that same formula to find the fsp, and then use fsp where w=mg to find m.