A body with mass $m$ has weight $W$ at a place where the gravitational field strength is $g$. Which statement concerning these quantities is correct?
- A$m$ and $W$ are both forces.
- B$m$ and $W$ are both vector quantities.
- C$m$ and $W$ are related by the equation $\frac{W}{m} = g$.
- D$m$ and $W$ have the same unit.