A picture hanging on a wall is held in place by a wire that passes over a nail. The mass of the picture is $4.2\text{ kg}$. What is the tension in the wire supporting it?
- A$5.0\text{ N}$
- B$23\text{ N}$
- C$49\text{ N}$
- D$97\text{ N}$
Physics 9702 · AS & A Level · Equilibrium of forces