⚛️ 物理难度 1 — 🟢 Basicdynamics👁 23 浏览次数⏱ 1 min read
Solve Physics: A block of mass m = 9 kg rests on a ro…
📝 Problem
A block of mass m = 9 kg rests on a rough horizontal surface with coefficient of friction μ = 0.36. Calculate the friction force. (g = 9.8 m/s²)