Question

Define impulse. State its S.I. unit? CLASS - XI PHYSICS (Laws of Motion)

Answer 1

impulse is the product of the force and time in which it acts.
I=F*T.its SI unit is Newton second Ns
i hope this helps u...

Answer 2

impulse ( I ) is the product of force (  F ) and time ( t ) .
∵I=F*t
∴impulse's SI unit is the SI unit of force and time 
that is Ns.
                       i hope that this will help u.