If the length of a $17 cm$ spring increases to $63 cm$ when a $3 kg$ weight is hanging from it, what is the spring's constant?

Question

2452 views around the world

You can reuse this answer
Creative Commons License

Answer 1 · 2017-03-04T14:49:55

The spring constant is $=63.9Nm^-1$

enter image source here

We apply this formula

$F=3*g=3*9.8=29.4N$

$x=0.63-0.17=0.46m$

The spring constant is

$k=F/x=29.4/0.46=63.9Nm^-1$

If the length of a 17 cm17 cm spring increases to 63 cm63 cm when a 3 kg3 kg weight is hanging from it, what is the spring's constant?