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1. |
If two springs k1 and k2 are placed in parallel, the combined stiffness of spring is |
A. | k1 + k2 |
B. | k1 + k2 / (k1 k2) |
C. | (k1 k2) / k1 + k2 |
D. | k1 k2 |
Answer» B. k1 + k2 / (k1 k2) | |