A uniform rod with weight $28\,\text{N}$ is held at one end by a force $F$. The rod is in equilibrium and is connected to a frictionless hinge at end X. What is the magnitude of $F$?
- A$9.0\,\text{N}$
- B$11\,\text{N}$
- C$18\,\text{N}$
- D$21\,\text{N}$
Physics 9702 · AS & A Level · Turning effects of forces