- The stiffness \( k \) of a cantilever beam is given by the formula:
\[
k = \frac{3AE}{l^3}
\]
where \( A = 8.2 \), \( E = A + 16 = 24.2 \, \text{N} \), and \( l = 0.2 \, \text{m} \).
- Substitute the values into the formula:
\[
k = \frac{3 \times
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