Use the data and
|
L (cm)
|
L (m)
|
m (g)
|
m (kg)
|
W (N)
|
ΔL (m)
|
|
15
|
0.15
|
0
|
0
|
0
|
0
|
|
18
|
0.18
|
100
|
0.1
|
0.98
|
0.03
|
|
20
|
0.2
|
150
|
0.15
|
1.47
|
0.05
|
|
22
|
0.22
|
200
|
0.2
|
1.96
|
0.07
|
|
26
|
0.26
|
300
|
0.3
|
2.94
|
0.11
|
1) Plot force (weight) versus L.
2) Plot force (weight) versus ΔL.
3) Fit a line for graph of force (weight) versus ΔL and find the slope which is the spring constant (k).