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An object is acted upon by a force of 22 newtons to the right and a force of 13 newtons to the left. What is the magnitude and direction of the net force?
OA 9 newtons to the right
OB. 9 newtons to the left
Oc. 22 newtons to the right
OD 35 newtons to the right
OE 35 newtons to the left

Respuesta :

The net force is A) 9 newtons to the right

Explanation:

In order to find the net force, we have to use vector addition.

First of all, we have to define a positive direction for the vectors. We take the following convention:

To the right = positive direction

To the left = negative  direction

Therefore, the two forces acting on the object are:

  • A force of 22 N to the right --> therefore we can write it as [tex]F_1 = +22 N[/tex] (positive)
  • A force of 13 N to the left --> therefore we can write it as [tex]F_2 = -13 N[/tex] (negative)

Since the two forces act on the same line, we can calculate theire resultant simply by adding them together with the proper sign. Therefore, the net force is

[tex]F=F_1 + F_2 = 22 N + (-13 N)=+9 N[/tex]

And the sign of the net force (positive) tells us that the direction is to the right.

Learn more about forces:

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