Which equation involves only scalar quantities?
- A$\text{acceleration} = \frac{\text{force}}{\text{mass}}$
- B$\text{power} = \frac{\text{work}}{\text{time}}$
- C$\text{pressure} = \frac{\text{force}}{\text{area}}$
- D$\text{velocity} = \frac{\text{displacement}}{\text{time}}$