Physics 9702 · AS & A Level · Turning effects of forces

Turning effects of forces — practice question

The diagram depicts an insulating rod with equal and opposite point charges at its two ends. An electric field of strength $E$ acts on the rod downward. Which row is correct?

  • Aresultant force: zero; resultant torque: clockwise
  • Bresultant force: downwards; resultant torque: clockwise
  • Cresultant force: zero; resultant torque: anti-clockwise
  • Dresultant force: downwards; resultant torque: anti-clockwise

Worked solution & mark scheme

This 1-mark question has a full step-by-step worked solution and mark scheme.

  • Full mark scheme, point by point
  • Step-by-step worked solution
  • Write your answer & get it marked instantly by AI