Physics, asked by anujgeraANUJ8973, 1 year ago

A force of 10n acts on a body of mass20kg for 10 seconds what is change in momentum

Answers

Answered by billu004

according to newton's second law of motion
F=ma
where as
momentum(P)=mv

since a=deltav/t

F=ma
F=m (deltav/t)
F=deltamv/t
by cross multiplication
F×t=deltamv (change in momentum)
10×10=change in momentum
change in momentum=100N.s

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