A force of 15N stretches a spring to a total length of 30cm. An additional force of 10N stretches the spring 5cm further. Find the natural length of the spring
-
A.
25.0cm -
B.
22.5cm -
C.
20.0cm -
D.
15.0cm
Correct Answer: Option B
Explanation
(frac{15}{30 – L}) = (frac{10}{5})
L = 22.5cm