Momentum — practice question

A force $F$ acts on a body of mass $m$ over a time $t$. In this interval, the body’s velocity increases from $u$ to $v$. Which equation links $F$, $m$, $t$, $u$ and $v$?

• A$Fm = t(v - u)$
• B$Fm = t(v + u)$
• C$Ft = m(v - u)$
• D$Ft = m(v + u)$