Posted by chanel on Monday, February 4, 2008 at 3:36pm.
spring constant (k)
= (force)/(deflection)
In this case, the force is the weight, 12 Newtons.
If you want the answer in Newtons per meter, change the 3.0 cm to 0.030 m before dividing.
what is the deflection 3.0
F = k x like he said
Yes, deflection x = 3.0 cm
so
k = 12/3 Newtons / centimeter
which is of course 4 N/cm
Most of us would do this in meters rather than cm but I see in your other question posted N/cm were used so I am leaving it that way.
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