Question

if $k = 20$ n/m for the individual \springs\ in experiment #3, what is $k_t$ for the system?
○ 20 n/m
○ 100 n/m
○ 100 n/m
○ 40 n/m
○ 120 n/m

Explanation:

Step1: Recall Spring System Type

Assume Experiment #3 has 5 springs in parallel (common setup for such problems). For parallel springs, total spring constant \( k_T=\sum k_i \).

Step2: Calculate \( k_T \)

Each \( k = 20 \, \text{N/m} \), 5 springs: \( k_T = 5\times20 = 100 \, \text{N/m} \).

Answer:

100 N/m (assuming 5 parallel springs; the option with 100 N/m is correct, e.g., the second or third option labeled "100 N/m")