⚛️ 物理难度 8 — 🔵 Intermediatedynamics👁 10 浏览次数⏱ 1 min read
Newton's Laws — A uniform rod: L = 4.9 m, mass m = 13 kg, hinged at one end to a wall. Force ... — Physics Solution
📝 Problem
A uniform rod: L = 4.9 m, mass m = 13 kg, hinged at one end to a wall. Force F = 30 N acts downward at 0.3L from hinge. Find the rope tension and hinge reaction components.