Some men were trying to push a car that had run out of gas. They applied a total force of 400N for 220 seconds.Calculate the impulse force. (The units should be N-s.) Information: Changing MomentumAs Newton's 1" Law states, an object's velocity will not change unless a force acts on the object.Since momentum involves velocity, a force will change an object's momentum. The force thatcauses a change in momentum is called an impulse.An impulse may be a very quick push or a push that lasts for a long time. To calculate howmuch the momentum changes you need to know how long the force lasts."A" means “change in"Ft = m(Av)Impulse ForceChange in momentumF= force of impact in Newtonsm = mass of the object in kgt= the time of impact, how long the impact force acts on the objectAv = change in velocity of the objectBefore proceeding to the questions, please notice the difference between "force of impact" and"impulse force". The impulse force is actually the force of impact multiplied by the time ofimpact.

Write the given values with the suitable variables. F=400 Nt=220 s Here, F is the applied force and…

Answered: Some men were trying to push a car that…

Some men were trying to push a car that had run out of gas. They applied a total force of 400 N for 220 seconds. Calculate the impulse force. (The units should be N-s.)

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter9: Momentum And Its Conservation

Section: Chapter Questions

Problem 58A

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Question

Some men were trying to push a car that had run out of gas. They applied a total force of 400
N for 220 seconds.

Calculate the impulse force. (The units should be N-s.)

Information: Changing Momentum
As Newton's 1" Law states, an object's velocity will not change unless a force acts on the object.
Since momentum involves velocity, a force will change an object's momentum. The force that
causes a change in momentum is called an impulse.
An impulse may be a very quick push or a push that lasts for a long time. To calculate how
much the momentum changes you need to know how long the force lasts.
"A" means “change in"
Ft = m(Av)
Impulse Force
Change in momentum
F= force of impact in Newtons
m = mass of the object in kg
t= the time of impact, how long the impact force acts on the object
Av = change in velocity of the object
Before proceeding to the questions, please notice the difference between "force of impact" and
"impulse force". The impulse force is actually the force of impact multiplied by the time of
impact.

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