Uniform rod with a suspended load—equilibrium moment (figure unspecified): A 9 m uniform rod (weight 40 kg) is pivoted at a point 2 m from one end; a 120 kg load is suspended as described. What perpendicular force at the far end keeps the rod in equilibrium when inclined at 60° to the horizontal?

Difficulty: Medium

• 10 kg
• 40 kg
• 60 kg
• 100 kg
• 20 kg