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1 vote
What is the net force on this object?

Box with dot in center. Short arrow up, longer arrow down. Up arrow labeled F sub air equals 400 N. Down arrow labeled F sub grav equals 600N.

200 newtons

400 newtons

0 newtons

600 newtons

User Yeimi
by
5.4k points

2 Answers

5 votes

Answer:

200 newtons

Step-by-step explanation:

because the sub air that would pull the force down by all of the mass of the sub air go down by that 400 newtons there for your anwer is 200 newtons. because 600-400=200

User Lys
by
5.4k points
6 votes

Answer:

200N

Step-by-step explanation:

The net force or resultant force on the object is obtained by adding all the forces acting on it.

In this case we have an upward force and a downward force, since they go in different directions they must have a different sign: we will define upward as positive and downward as negative:


F_(air) = 400N


F_(grav)=-600N

The sign only to indicate that they are going in opposite directions, so the resulting force:


F=F_(air)+F_(grav)=400N+(-600N)=400N-600N=-200N

The net force acting on the object is 200N. (downwars due to the negative sign).

User Juan Park
by
5.2k points