A rod of uniform density has weight $28\,\text{N}$ and is held in equilibrium by a force $F$ at one end. It 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