17. 數控油壓折床加工時之壓力大小與下列何者有關 (A)材料厚度 (B)折彎之長度 (C)下模槽寬 (D)以上皆是

1. Two masses placed on a flat surface (friction coefficient μ = 0.1) are connected by a spring. Initially, the spring has an extension of 1 m and both masses are at rest. Given m₁ = m₂ = 1 kg, and k = 9.8 N/m; what is the maximum compression of the spring? (A) 1 m (B) 0.8 m (C) 0.6 m (D) 0.4 m (E) None of the above