A spring extends by 10cm when a mass of 100g is attached to it. What is the spring constant? (calculate your answer in N/m)
I have done this so far but I don't feel that it is right as the Force (F) is in grams and not Newtons:
F = K x E
100 = K x 0.10
100 ÷ 0.10 = 100
K = 100 N/m...