The variation of momentum with time of one of the body in a two body collision is shown in fig. The instantaneous force is maximum corresponding to point
$P$
$Q$
$R$
$S$
The variation of momentum with time of one of the body in a two body collision is shown in fig. The instantaneous force is maximum corresponding to point
$F = \frac{{dp}}{{dt}}$, so the force is maximum when slope of graph is maximum