Further MathematicsStaticsWAEC
A uniform rod 2 m long and of weight 40 N is hinged at one end and held horizontal by a vertical force at the other end. Find the force.
Show answer
Answer: D. 20 N
Moments about the hinge: F × 2 = 40 × 1, so F = 20 N.
An AdmitMe practice question, written for the WAEC syllabus. Not an official past question.